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Awesome Open Source Alternatives Awesome

An awesome list of open source alternatives to proprietary software, maintained by OpenAlternative.

Note: This repository has been repurposed as a curated awesome-list. The original Next.js directory boilerplate that was previously hosted here is now available as Dirstarter — a complete, battle-tested starter kit for building profitable directory websites.

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Contents

AI & Machine Learning

AI Development Platforms

  • Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
  • ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.8K
  • AgentOS - TypeScript framework for building autonomous AI agents Apache-2.0 ⭐ 608
  • Agno - Model-agnostic platform for building intelligent AI agents Apache-2.0 ⭐ 41K
  • Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.7K
  • Bifrost - Ultra-fast AI gateway with enterprise-grade reliability Apache-2.0 ⭐ 6.9K
  • Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
  • ByteChef - Build AI agents and automate complex workflows seamlessly ⭐ 922
  • CodeZero - Build complex automations without code, deploy anywhere with full control ⭐ 51
  • CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 36K
  • Dify - Build and deploy AI agents and RAG pipelines visually ⭐ 151K
  • E2B - Secure cloud environments for enterprise AI agents Apache-2.0 ⭐ 13K
  • Envoy AI Gateway - Route GenAI traffic with confidence using open source Apache-2.0 ⭐ 1.9K
  • Flowise AI - Visual builder for AI agents and LLM workflows Apache-2.0 ⭐ 55K
  • Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 549
  • Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 222K
  • Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 153K
  • Letta - Build and deploy AI agents with advanced memory Apache-2.0 ⭐ 24K
  • LibreChat - One interface for all your AI models and conversations MIT ⭐ 41K
  • LiteLLM - LLM gateway for auth, load balancing, and spend tracking ⭐ 55K
  • LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 20K
  • LLM Gateway - Unified API for all LLM providers with analytics MIT ⭐ 1.5K
  • LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 81K
  • Mem0 - Persistent memory layer for AI agents and apps Apache-2.0 ⭐ 62K
  • Multica - Project management for teams mixing humans and AI agents ⭐ 42K
  • Nango - Build product integrations with 500+ APIs in hours ⭐ 11K
  • OpenComputer - Persistent cloud VMs that hibernate and wake in seconds Apache-2.0 ⭐ 443
  • Portkey AI Gateway - Complete production stack for AI teams MIT ⭐ 13K
  • Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 5.8K
  • Suna - AI agent that autonomously handles real-world tasks Apache-2.0 ⭐ 20K
  • Supermemory - Lightning-fast memory API for AI applications MIT ⭐ 29K

Machine Learning Infrastructure

  • Agenta - Build reliable LLM apps with integrated workflows MIT ⭐ 4.4K
  • Arize Phoenix - Open-source LLM tracing & evaluation for AI optimization ⭐ 11K
  • Beam - Serverless GPU compute with sub-second cold starts AGPL-3.0 ⭐ 1.7K
  • Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
  • dstack - GPU orchestration across clouds, Kubernetes, and on-prem MPL-2.0 ⭐ 2.2K
  • Grepture - Trace, evaluate, and protect every LLM call in one SDK AGPL-3.0 ⭐ 7
  • Helicone - Build reliable AI apps with comprehensive observability Apache-2.0 ⭐ 6K
  • Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 44K
  • Laminar - AI-powered platform for engineering LLM products Apache-2.0 ⭐ 3.1K
  • Langfuse - Open source LLM engineering platform for AI-powered applications ⭐ 32K
  • Latitude - Full observability for AI agents in production MIT ⭐ 4.5K
  • mlop - Experiment tracking platform for ML teams Apache-2.0 ⭐ 389
  • Ollama - Run open-source LLMs locally on your own machine MIT ⭐ 177K
  • Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 36K
  • OpenLIT - Monitor, debug, and scale LLM applications with ease Apache-2.0 ⭐ 2.7K
  • OpenLLMetry - Monitor LLM performance with open-source observability Apache-2.0 ⭐ 7.3K

AI Security & Privacy

  • Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
  • VerifyWise - AI governance made simple, secure, and compliant AGPL-3.0 ⭐ 322

AI Interaction & Interfaces

  • Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 672
  • Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
  • 5ire - Smart desktop AI assistant with powerful local knowledge features ⭐ 5.3K
  • Amical - Type 10x faster with AI-powered voice dictation MIT ⭐ 1.5K
  • AnythingLLM - Chat with your documents using any LLM, fully private MIT ⭐ 64K
  • Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 499
  • Browser Use - Let AI agents control any browser, at scale MIT ⭐ 107K
  • Cherry Studio - Multi-model AI desktop client with local-first privacy AGPL-3.0 ⭐ 49K
  • CopilotKit - Build AI copilots for your product in hours, not months MIT ⭐ 36K
  • Corpus - Ask once, get answers across every document AGPL-3.0 ⭐ 13
  • FastGPT - Build powerful AI knowledge bases with ease ⭐ 29K
  • Fullmoon - Chat with private and local large language models MIT ⭐ 2.3K
  • Hermes Agent - Desktop AI agent with persistent memory across platforms MIT ⭐ 222K
  • Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
  • Jan - Run AI models locally or connect to cloud, privately Apache-2.0 ⭐ 44K
  • Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 595
  • Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 36K
  • Leon - Your open-source personal assistant for server automation MIT ⭐ 17K
  • LibreChat - One interface for all your AI models and conversations MIT ⭐ 41K
  • Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 33K
  • LobeChat - Manage, build, and run AI agent teams around the clock ⭐ 81K
  • MaxKB - AI assistant that enhances enterprise knowledge management GPL-3.0 ⭐ 22K
  • Meetily - Local AI meeting transcription with zero data leaving your device MIT ⭐ 27K
  • Minutes - Local meeting recorder that keeps your audio off the cloud MIT ⭐ 1.4K
  • Morphic - AI-powered answer engine with dynamic interface generation Apache-2.0 ⭐ 9K
  • Onyx - Unified AI-powered enterprise search across company data ⭐ 31K
  • Open WebUI - One interface for every AI model you run or connect BSD-3-Clause ⭐ 147K
  • OpenClaw - An AI assistant that acts, not just answers MIT ⭐ 384K
  • OpenWispr - Voice-to-text that works offline, privately, on any app MIT ⭐ 4.9K
  • Orama - Full-text & vector search at the edge. ⭐ 11K
  • Pearl - AI-powered automation that lives in your Slack workspace Apache-2.0 ⭐ 1.1K
  • Pipeshub - Enterprise workplace AI with data you own and control Apache-2.0 ⭐ 3.1K
  • Prismical - Transcribe meetings and voice notes with local AI, no bots required MIT ⭐ 51
  • Scira - Minimalistic AI-powered search engine for instant answers AGPL-3.0 ⭐ 12K
  • screenpipe - 24/7 screen and audio recorder with AI memory search MIT ⭐ 21K
  • Skyvern - Automate any website workflow with AI and computer vision AGPL-3.0 ⭐ 23K
  • Steel - Control browser fleets in the cloud for AI automation Apache-2.0 ⭐ 7.4K
  • SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
  • Swirl Search - Get instant answers from your company knowledge Apache-2.0 ⭐ 3K
  • Typebot - Create powerful chatbots without coding ⭐ 10K
  • VoiceInk - Local voice dictation with AI enhancement for macOS ⭐ 5.7K
  • VoiceTypr - Offline voice dictation that types into any app ⭐ 612
  • Zola - AI chat companion with versatile model support Apache-2.0 ⭐ 1.5K

Business Software

CRM & Sales

  • Atomic CRM - Open-source CRM toolkit for personalized solutions MIT ⭐ 1.2K
  • Erxes - Open-source growth platform for customer-centric teams ⭐ 4K
  • EspoCRM - Complete customer relationship management made simple AGPL-3.0 ⭐ 3.2K
  • Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 3.8K
  • Frappe CRM - Open-source CRM that puts simplicity and control first AGPL-3.0 ⭐ 3K
  • Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
  • Malak - Streamline investor relations and fundraising management AGPL-3.0 ⭐ 61
  • Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 53K
  • Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.5K
  • Relaticle - Modern open-source CRM that grows with your business AGPL-3.0 ⭐ 1.5K
  • Twenty - Build a custom CRM without the proprietary lock-in AGPL-3.0 ⭐ 54K
  • Warpdrive - Self-hosted CRM for business development teams MIT ⭐ 69

ERP & Operations

  • ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 37K
  • Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 3.8K
  • FleetBase - Open source modular logistics platform for faster app development AGPL-3.0 ⭐ 2.1K
  • Odoo - All-in-one business platform covering ERP, CRM, and more ⭐ 53K
  • Open Mercato - AI-native CRM/ERP foundation with 80% already built MIT ⭐ 1.5K
  • Shelf - Effortless inventory management for modern businesses AGPL-3.0 ⭐ 2.8K

Finance & Accounting

  • Akaunting - Free online accounting for small businesses and freelancers ⭐ 10K
  • Autumn - Stripe payments, usage tracking, and paywalls in 3 functions Apache-2.0 ⭐ 2.6K
  • Bigcapital - Automate financial processes for smarter business decisions AGPL-3.0 ⭐ 3.8K
  • Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.3K
  • ERPNext - Comprehensive business management, tailored for you GPL-3.0 ⭐ 37K
  • Expensify - Simplify expense management for businesses of all sizes MIT ⭐ 5K
  • ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.3K
  • Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 3.6K
  • Flowglad - Cross-system automation and knowledge base for accounting firms ⭐ 1.7K
  • Formance - Open source financial infrastructure for modern businesses ⭐ 516
  • Frappe Books - Modern desktop accounting made simple and free AGPL-3.0 ⭐ 4.8K
  • Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.5K
  • Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 43K
  • Invoice Ninja - Send invoices, accept payments, manage your business—all free ⭐ 9.9K
  • Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 4.8K
  • Lago - Transform complex usage data into accurate, real-time billing AGPL-3.0 ⭐ 10K
  • Meteroid - Flexible billing infrastructure for modern SaaS AGPL-3.0 ⭐ 1.2K
  • Midday - Streamline your business finances and operations AGPL-3.0 ⭐ 15K
  • OpenBB - AI-powered analytics workspace built for investment teams ⭐ 71K
  • OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.2K
  • Paymenter - Modern open-source billing platform for hosting businesses MIT ⭐ 2.1K
  • Polar - Modern payment infrastructure for digital products and SaaS Apache-2.0 ⭐ 10K
  • Spliit - Effortlessly split expenses with friends and roommates MIT ⭐ 2.8K
  • Suprascribe - Automatically discover hidden subscriptions from your inbox AGPL-3.0 ⭐ 10
  • UniBee - Cut billing costs with open-source subscription management AGPL-3.0 ⭐ 204

Human Resources (HR)

  • Ever Gauzy - Comprehensive open-source business management platform AGPL-3.0 ⭐ 3.8K
  • Horilla - Comprehensive open-source HR management solution LGPL-2.1 ⭐ 1.3K
  • Reqcore - Own your hiring data with unlimited seats forever AGPL-3.0 ⭐ 6

Marketing & Customer Engagement

  • Dub Partners - Affiliate marketing platform built for SaaS companies ⭐ 24K
  • Novu - Multi-channel notification infrastructure for apps ⭐ 39K
  • Postiz - Schedule and manage social media across 30+ networks AGPL-3.0 ⭐ 34K
  • Billion Mail - Open-source mail server with unlimited sending & AI tools AGPL-3.0 ⭐ 15K
  • Brace.to - Securely save and access your favorite links across devices MIT ⭐ 104
  • Chaskiq - Open-source customer communication platform ⭐ 3.5K
  • Chatwoot - Omnichannel customer support with a built-in AI assistant ⭐ 35K
  • Contentport - Your content engine for growing on Twitter at scale AGPL-3.0 ⭐ 762
  • Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 705
  • Dittofeed - Open-source customer engagement platform for automation MIT ⭐ 2.9K
  • Dub Links - Branded short links with analytics and conversion tracking AGPL-3.0 ⭐ 24K
  • Erxes - Open-source growth platform for customer-centric teams ⭐ 4K
  • Fonoster - Open-source cloud communications platform for developers MIT ⭐ 8K
  • Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.3K
  • Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.4K
  • Hyvor Post - Privacy-first newsletter platform without tracking AGPL-3.0 ⭐ 31
  • Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
  • Krayin - Self-hosted CRM for enhanced business relationships MIT ⭐ 24K
  • Kutt - Simplify your links with this free, modern URL shortener MIT ⭐ 11K
  • LinkStack - Your digital identity, beautifully organized AGPL-3.0 ⭐ 3.7K
  • Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 796
  • Listmonk - Self-hosted newsletter and mailing list manager AGPL-3.0 ⭐ 23K
  • LittleLink - Create your own link-in-bio page with 100+ branded buttons MIT ⭐ 3K
  • Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 337
  • Mautic - Open source marketing automation for everyone ⭐ 10K
  • Mixpost - Self-hosted social media management without limits MIT ⭐ 3.5K
  • Notifuse - Self-hosted email platform with visual editor & analytics ⭐ 2K
  • OpenSEO - Self-hosted SEO platform for keyword, backlink, and rank tracking MIT ⭐ 9K
  • Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.3K
  • Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
  • Sendune - Simplify AWS SES email management with ease MIT ⭐ 2.2K
  • Shlink - The definitive self-hosted URL shortener MIT ⭐ 5.2K
  • Sink - Simple, speedy, and secure link shortener with analytics AGPL-3.0 ⭐ 7K
  • Slugy - Transform long URLs into beautiful, trackable short links MIT ⭐ 92
  • Tiledesk - Elevate customer support with AI-powered chat solutions MIT ⭐ 11
  • TryPost - Schedule posts to every major social network, self-hosted AGPL-3.0 ⭐ 446
  • Usertour - Create engaging product tours and user onboarding experiences AGPL-3.0 ⭐ 2.1K
  • useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.5K
  • WR.DO - Free DNS management and URL shortening platform MIT ⭐ 2.3K
  • Wraps - Code-first email platform that deploys to your AWS ⭐ 51
  • Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 5.8K

Customer Support & Success

  • Chaskiq - Open-source customer communication platform ⭐ 3.5K
  • Chatwoot - Omnichannel customer support with a built-in AI assistant ⭐ 35K
  • ClearFlask - Open-source ideation tool for product feedback management Apache-2.0 ⭐ 445
  • Cossistant - AI-native support infrastructure for modern SaaS AGPL-3.0 ⭐ 705
  • Fider - Open-source platform for collecting and prioritizing feedback AGPL-3.0 ⭐ 4.4K
  • Formbricks - Privacy-first survey and experience management platform ⭐ 13K
  • Frappe Helpdesk - Open-source ticketing system for streamlined support AGPL-3.0 ⭐ 3.3K
  • Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.4K
  • LogChimp - Open-source feedback management for product teams Apache-2.0 ⭐ 1.1K
  • Reflet - Turn user feedback into features that matter ⭐ 32
  • SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 158
  • Tiledesk - Elevate customer support with AI-powered chat solutions MIT ⭐ 11
  • Usertour - Create engaging product tours and user onboarding experiences AGPL-3.0 ⭐ 2.1K
  • UserTourKit - Lightweight, accessible product tours built for React developers MIT ⭐ 57
  • Zammad - Powerful helpdesk solution for streamlined customer service AGPL-3.0 ⭐ 5.8K

E-commerce Platforms

  • Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
  • Bagisto - Open source Laravel eCommerce platform for modern businesses MIT ⭐ 28K
  • Medusa - Open-source e-commerce for modern developers MIT ⭐ 35K
  • Saleor - Flexible e-commerce platform for modern businesses BSD-3-Clause ⭐ 23K
  • Shopware - Open source ecommerce platform for modern businesses MIT ⭐ 3.4K
  • Solidus - Flexible eCommerce platform for brands that stand out ⭐ 5.3K
  • Spree Commerce - Open source headless commerce with REST API, no platform fees, built for B2B and marketplaces BSD-3-Clause ⭐ 16K
  • Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.3K
  • WooCommerce - Open-source ecommerce platform for WordPress ⭐ 10K
  • Your Next Store (YNS) - Launch Your Store in Minutes, No Code Needed MIT ⭐ 5.5K

Project & Work Management

  • Macro Tasks - Task management with GitHub sync and AI agents for devs AGPL-3.0 ⭐ 672
  • AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 74K
  • Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5K
  • Donetick - Smart task management for individuals and families AGPL-3.0 ⭐ 2.4K
  • Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 520
  • Fizzy - Modern kanban that's fast, fun, and refreshingly simple ⭐ 8K
  • Freeter - Your personal workspace organizer for maximum productivity GPL-3.0 ⭐ 1K
  • GitLab - AI-powered DevSecOps for faster, secure software delivery ⭐ 25K
  • Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 27K
  • Kan - Open source kanban boards with unlimited everything AGPL-3.0 ⭐ 5.3K
  • Kanba - Beautiful Kanban boards with seamless payment integration MIT ⭐ 633
  • Kaneo - Simple, secure project management for development teams MIT ⭐ 3.9K
  • Kanri - Simplify your workflow with offline Kanban boards GPL-3.0 ⭐ 2K
  • Leantime - Goal-driven project management for all brains AGPL-3.0 ⭐ 11K
  • Manage - Open-source project management inspired by Basecamp AGPL-3.0 ⭐ 67
  • OpenProject - Classic, agile, or hybrid project management, self-hosted GPL-3.0 ⭐ 16K
  • Operately - Open source company management for high-performance startups Apache-2.0 ⭐ 504
  • Orgnise - Effortlessly manage tasks, projects, and teams AGPL-3.0 ⭐ 244
  • Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 55K
  • Planka - Self-hosted Kanban board with real-time collaboration ⭐ 12K
  • Sayr - Bridge internal workflows with public collaboration ⭐ 19
  • Shelve - Simplify project management for developers Apache-2.0 ⭐ 437
  • ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 295
  • Super Productivity - Task manager built for deep work, privacy, and focus MIT ⭐ 21K
  • Taiga - Agile project management for cross-functional teams MPL-2.0 ⭐ 844
  • Vikunja - Organize, collaborate, and conquer your tasks AGPL-3.0 ⭐ 4.9K
  • Wekan - Visual project management with complete data control MIT ⭐ 21K
  • Windshift - Self-hosted project management with boards and test tracking AGPL-3.0 ⭐ 34
  • Worklenz - Open source agency management tool for streamlined success AGPL-3.0 ⭐ 3.1K

Collaboration & Communication

  • Baserow - No-code database and app builder you can self-host ⭐ 5.4K
  • Macro Chat - Team chat with email, tasks, and docs in one workspace AGPL-3.0 ⭐ 672
  • Affine - Docs, whiteboards, and databases in one privacy-first workspace ⭐ 71K
  • Buzz - Team chat, project management, and AI agents in one place Apache-2.0 ⭐ 15K
  • Campfire - Self-hosted group chat without recurring subscription fees MIT ⭐ 4.5K
  • Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.8K
  • Colanode - Self-hosted team workspace with chat, docs, and databases Apache-2.0 ⭐ 5K
  • dDocs - End-to-end encrypted collaborative document editor AGPL-3.0 ⭐ 360
  • Docs - Create, edit and share documents with real-time collaboration MIT ⭐ 17K
  • Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 13K
  • Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 541
  • Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 520
  • Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 129K
  • Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 9.8K
  • Huly - All-in-one workspace for project, chat, and docs EPL-2.0 ⭐ 27K
  • Jitsi - Private, secure video calls with no account needed Apache-2.0 ⭐ 30K
  • Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
  • Mezon - Create custom spaces to chat, game, and connect globally ⭐ 1.5K
  • Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 36K
  • Plane - Project management for teams and AI agents AGPL-3.0 ⭐ 55K
  • Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.6K
  • Rocket.Chat - Self-hosted team messaging with voice, video, and AI ⭐ 46K
  • Stoat - Group chat for friends and communities, without the baggage ⭐ 3.2K
  • Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.6K
  • Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
  • Tldraw - Free instant whiteboard with real-time collaboration ⭐ 49K
  • Twake Chat - Secure open source messaging for professional teams AGPL-3.0 ⭐ 161
  • UnInbox - Transform team email into efficient collaborative workflows ⭐ 1.8K
  • Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.5K
  • Workadventure - Virtual office platform for engaging remote collaboration ⭐ 5.7K
  • Zulip - Organized team chat for distributed teams Apache-2.0 ⭐ 26K

Scheduling & Event Management

  • Cal.com - Self-host your own scheduling page, no vendor required MIT ⭐ 47K
  • Chobble Tickets - Open source ticketing with no per-ticket fees AGPL-3.0 ⭐ 10
  • Easy!Appointments - Free open-source appointment booking for any business GPL-3.0 ⭐ 4.3K
  • Hi.Events - Effortlessly manage events and sell tickets online ⭐ 3.9K
  • Rallly - Effortless group scheduling for seamless collaboration AGPL-3.0 ⭐ 5.2K

Document Management & E-Signatures

  • Documenso - Secure, open-source document signing for everyone AGPL-3.0 ⭐ 14K
  • Docuseal - Legally binding document signing for individuals and teams AGPL-3.0 ⭐ 18K
  • OpenSign - Secure, customizable e-signatures for modern businesses AGPL-3.0 ⭐ 6.7K
  • Paperless-home - Effortlessly organize your digital documents GPL-3.0 ⭐ 44K
  • Papermark - Open-source document sharing with powerful analytics AGPL-3.0 ⭐ 8.8K
  • Papra - Organize and secure your documents in one central hub AGPL-3.0 ⭐ 5.1K
  • Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
  • Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.6K
  • Wraft - Scale document creation with automated workflows AGPL-3.0 ⭐ 156

Forms & Surveys

  • Formbricks - Privacy-first survey and experience management platform ⭐ 13K
  • Formizee - Create and manage forms with ease Apache-2.0 ⭐ 183
  • HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 8.9K
  • Ikiform - Create stunning forms with AI-powered builder and analytics MIT ⭐ 351
  • LimeSurvey - Create engaging surveys and gather valuable insights ⭐ 3.7K
  • OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.5K
  • Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 46

Compliance & Risk Management

  • Openlane - Continuous compliance automation for SOC 2, ISO 27001 & more Apache-2.0 ⭐ 279
  • Probo - Managed compliance for SOC 2, ISO 27001, HIPAA, and more MIT ⭐ 1.2K
  • Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
  • c15t - Build privacy-compliant cookie banners with full control Apache-2.0 ⭐ 1.8K
  • Comp AI - Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR AGPL-3.0 ⭐ 1.7K
  • OpenPolicy - Generate legal policies directly from TypeScript code Apache-2.0 ⭐ 157

Legal

  • Mike - Open-source legal AI that law firms control and extend AGPL-3.0 ⭐ 4K

Community & Social

Social Networking

  • Bluesky - Social media reimagined for community and connection MIT ⭐ 18K
  • Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.8K
  • Hey - Decentralized social networking for the Web3 era GPL-3.0 ⭐ 29K
  • Lemmy - Build your own federated discussion community AGPL-3.0 ⭐ 15K
  • Loops - Federated short videos without corporate control AGPL-3.0 ⭐ 432
  • Mastodon - Decentralized social networking in your control AGPL-3.0 ⭐ 50K
  • PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K
  • Pixelfed - Ad-free photo sharing with privacy and federation AGPL-3.0 ⭐ 7K

Community Building Platforms

  • Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
  • Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
  • Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
  • LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 1.9K
  • Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 324

Collaboration & Feedback

  • ClearFlask - Open-source ideation tool for product feedback management Apache-2.0 ⭐ 445
  • Fider - Open-source platform for collecting and prioritizing feedback AGPL-3.0 ⭐ 4.4K
  • LogChimp - Open-source feedback management for product teams Apache-2.0 ⭐ 1.1K
  • Sayr - Bridge internal workflows with public collaboration ⭐ 19

Content & Publishing

Content Management Systems (CMS)

  • Builder - Visual development platform for modern web experiences MIT ⭐ 8.8K
  • Craft CMS - Flexible CMS for custom digital experiences ⭐ 3.6K
  • Directus - Open-source data platform for effortless content management ⭐ 37K
  • Drupal - Build powerful websites with the open-source CMS ⭐ 4.3K
  • Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 55K
  • KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 9.9K
  • Marble CMS - Simple content management for modern sites AGPL-3.0 ⭐ 375
  • Payload - Headless CMS for developers, built with Node.js MIT ⭐ 44K
  • ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.1K
  • Statamic - Craft flexible, powerful websites with ease ⭐ 4.9K
  • Strapi - Headless CMS with REST and GraphQL APIs out of the box ⭐ 73K
  • TinaCMS - Visual editing for your Git-based content Apache-2.0 ⭐ 14K
  • Twill CMS - Craft flexible, beautiful digital experiences with ease Apache-2.0 ⭐ 4K
  • Typemill - Open-source CMS for text-driven websites MIT ⭐ 610
  • Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.1K
  • Webiny - Open-source serverless CMS for modern web projects ⭐ 8K
  • WordPress - Create, customize, and manage your website with ease ⭐ 21K

Community Platforms

  • Apache Answer - Open-source Q&A platform for knowledge sharing Apache-2.0 ⭐ 16K
  • Discourse - Cultivate vibrant online communities with ease GPL-2.0 ⭐ 48K
  • Flarum - Modern forum software for vibrant online communities MIT ⭐ 16K
  • Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 324
  • Valour - Community-driven platform built for transparency AGPL-3.0 ⭐ 393

Documentation & Knowledge Base

  • Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 283
  • Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 21K
  • Docs - Create, edit and share documents with real-time collaboration MIT ⭐ 17K
  • Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
  • Fumadocs - Build beautiful documentation sites with Next.js MIT ⭐ 13K
  • Outline - Fast, collaborative wiki for teams who need organized docs ⭐ 40K
  • Scalar - Open-source API documentation and testing platform MIT ⭐ 16K
  • Storyden - Build lasting communities with modern forum technology MPL-2.0 ⭐ 324
  • Typemill - Open-source CMS for text-driven websites MIT ⭐ 610
  • Vrite - Collaborative content creation for technical teams ⭐ 2K
  • XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
  • xyd - Transform documentation with developer-focused simplicity MIT ⭐ 112
  • Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 252

Learning Management Systems (LMS)

  • ClassroomIO - Build your custom learning academy in minutes AGPL-3.0 ⭐ 1.6K
  • CourseLit - Create, sell, and manage online courses with ease AGPL-3.0 ⭐ 1.2K
  • Gumroad - Your all-in-one marketplace for digital creators and products MIT ⭐ 9.5K
  • LearnHouse - Create, sell, and manage online courses with full control AGPL-3.0 ⭐ 1.9K

Digital Asset Management (DAM)

  • Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 28K
  • Immich - Self-hosted photo and video backup for your own server AGPL-3.0 ⭐ 109K
  • Lychee - Self-hosted photo management with full control MIT ⭐ 4.2K
  • Openinary - Self-hosted media processing with full control AGPL-3.0 ⭐ 368
  • Piwigo - Organize thousands of photos with ease GPL-2.0 ⭐ 3.8K

Publishing

  • Tolgee - Open-source localization platform for multilingual apps ⭐ 4.1K
  • Changes.Page - Effortless changelog creation for open-source projects AGPL-3.0 ⭐ 283
  • Languine - Automated localization for modern development teams MIT ⭐ 2K
  • LibreTranslate - Free offline machine translation API you can host yourself AGPL-3.0 ⭐ 16K
  • Lingo.dev - Automated translations that scale with your code and commits Apache-2.0 ⭐ 5.4K
  • ShipShipShip - Open-source changelog & roadmap platform for teams Apache-2.0 ⭐ 295
  • Weblate - Continuous web-based localization for global reach GPL-3.0 ⭐ 6K

Blogging & Personal Sites

  • Ghost - Publishing platform for blogs, newsletters, and paid memberships MIT ⭐ 55K
  • Pagecord - Personal blogging platform that meets you where you write MIT ⭐ 183
  • Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489
  • WordPress - Create, customize, and manage your website with ease ⭐ 21K
  • Zenblog - Effortless blogging for developers and tech enthusiasts AGPL-3.0 ⭐ 252

Data & Analytics

Web & Product Analytics

  • OpenPanel - Cookie-free web and product analytics, self-hostable AGPL-3.0 ⭐ 6.2K
  • Aptabase - Privacy-first analytics for mobile and desktop apps AGPL-3.0 ⭐ 1.8K
  • Betterlytics - Privacy-first, cookieless analytics without consent banners AGPL-3.0 ⭐ 165
  • Countly - Comprehensive analytics for data-driven decisions ⭐ 5.9K
  • Databuddy - Privacy-first analytics without cookies or tracking AGPL-3.0 ⭐ 1.1K
  • Fathom Lite - Privacy-focused analytics without the complexity MIT ⭐ 8K
  • GrowthBook - Open-source A/B testing and feature flagging platform ⭐ 8.1K
  • HitKeep - Privacy-first analytics you own completely MIT ⭐ 75
  • Litlyx - Cookie-less analytics for privacy-focused insights Apache-2.0 ⭐ 1.7K
  • Lua.sh - Professional link management for modern teams AGPL-3.0 ⭐ 337
  • Matomo - Empower your digital strategy with actionable insights GPL-3.0 ⭐ 22K
  • OpenReplay - Self-hosted session replay with complete data control ⭐ 12K
  • OpenWebAnalytics - Powerful, customizable web analytics for your site GPL-2.0 ⭐ 2.7K
  • Plausible - Privacy-focused, lightweight web analytics AGPL-3.0 ⭐ 28K
  • PostHog - Unlock Product Insights with Open-Source Analytics ⭐ 37K
  • Prisme Analytics - Privacy-friendly web analytics for data-driven decisions AGPL-3.0 ⭐ 127
  • Rybbit - Understand your audience with privacy-first analytics. AGPL-3.0 ⭐ 13K
  • Swetrix - Cookieless, privacy-first web analytics without the complexity AGPL-3.0 ⭐ 1.1K
  • Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.6K
  • Umami - Empower your website with privacy-focused analytics MIT ⭐ 38K
  • Vemetric - Simple, powerful web & product analytics for user insights AGPL-3.0 ⭐ 358

Business Intelligence & Reporting

  • Apache Superset - Self-serve data exploration and dashboard builder Apache-2.0 ⭐ 74K
  • Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
  • Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4K
  • Deepnote - Python, SQL, and AI in a collaborative data notebook Apache-2.0 ⭐ 3K
  • draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 7.1K
  • drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 38K
  • Evidence - Transform SQL into beautiful data stories MIT ⭐ 6.8K
  • Frappe Insights - Powerful open-source business intelligence for data-driven decisions AGPL-3.0 ⭐ 972
  • Grafana - Open source analytics and monitoring solution AGPL-3.0 ⭐ 76K
  • Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 11K
  • Infinite - Unified marketing data layer you own and query locally MIT ⭐ 15
  • Lightdash - Open-source BI for modern data teams MIT ⭐ 6K
  • Mermaid - Text-based diagramming that renders in code and docs MIT ⭐ 89K
  • Metabase - Unlock data insights with powerful, user-friendly analytics ⭐ 48K
  • OpenBB - AI-powered analytics workspace built for investment teams ⭐ 71K
  • Redash - Connect, query, visualize, and share your data BSD-2-Clause ⭐ 29K

Data Engineering & Integration

  • Airbyte - Open-source data integration for modern teams ⭐ 22K
  • CloudQuery - Sync and transform data from any source to any destination MPL-2.0 ⭐ 6.5K
  • CocoIndex - Ultra-fast data transformation for AI with lineage Apache-2.0 ⭐ 11K
  • Cube - Unify data models and metrics across your entire stack ⭐ 21K
  • Elementary Data - Data observability for modern data teams Apache-2.0 ⭐ 2.4K
  • Gigapipe - All-in-one observability with unlimited data ingestion AGPL-3.0 ⭐ 1.7K
  • Impler - Seamless data import for your applications MIT ⭐ 288
  • Jitsu - Open-source data integration for modern stacks MIT ⭐ 4.8K
  • Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 27K
  • Lightdash - Open-source BI for modern data teams MIT ⭐ 6K
  • Logstash - Centralize, transform, and stash your data ⭐ 15K
  • Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
  • Open Wearables - Convert wearable data into actionable health insights with open algorithms MIT ⭐ 2.2K
  • Orbital - Connect APIs, databases, and streams without glue code ⭐ 360
  • Timeplus - Real-time stream processing made simple and affordable Apache-2.0 ⭐ 2.2K

Data Warehousing & Processing

  • Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.3K
  • ClickHouse - Lightning-fast analytics for massive datasets Apache-2.0 ⭐ 49K
  • Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.4K
  • Logstash - Centralize, transform, and stash your data ⭐ 15K
  • Timeplus - Real-time stream processing made simple and affordable Apache-2.0 ⭐ 2.2K
  • Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.6K

Data Extraction & Web Scraping

  • Crawl4AI - LLM-ready web crawler built for AI data pipelines Apache-2.0 ⭐ 75K
  • Firecrawl - Turn any website into clean, AI-ready data via API AGPL-3.0 ⭐ 157K
  • Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 33K
  • Maxun - Build no-code robots to automate web data scraping AGPL-3.0 ⭐ 17K
  • OpenSERP - Self-hosted SERP API for Google, Bing, Yandex, and more MIT ⭐ 1.2K

Developer Tools

Website Builders

  • Builder - Visual development platform for modern web experiences MIT ⭐ 8.8K
  • Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.2K
  • Linky - A delightfully rich and dynamic link-in-bio. MIT ⭐ 796
  • Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 487
  • Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 2.9K
  • Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.1K
  • WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 8.8K
  • WordPress - Create, customize, and manage your website with ease ⭐ 21K
  • Ycode - Visual website builder and CMS you can self-host MIT ⭐ 238

IDEs & Code Editors

  • CodeEdit - A native code editor for macOS MIT ⭐ 23K
  • Kilo - AI coding agent for VS Code, JetBrains, CLI, and Cloud MIT ⭐ 27K
  • PearAI - Open-source AI-powered code editor for fast development ⭐ 757
  • Zed - High-performance code editor built for speed and AI ⭐ 88K

Frameworks & Platforms

  • Baserow - No-code database and app builder you can self-host ⭐ 5.4K
  • ActivePieces - Automate workflows with no-code integration platform ⭐ 23K
  • AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 15K
  • Alokai - Build and deploy scalable storefronts with ease MIT ⭐ 11K
  • AppSmith - Empower your team to build custom internal tools rapidly Apache-2.0 ⭐ 40K
  • Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 57K
  • Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
  • Bknd - Feature-rich backend that runs anywhere you need it Apache-2.0 ⭐ 3.7K
  • Budibase - Build powerful web apps without complex coding ⭐ 28K
  • Builder - Visual development platform for modern web experiences MIT ⭐ 8.8K
  • Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 202
  • Chartbrew - Create stunning data visualizations with ease MIT ⭐ 4K
  • CodeZero - Build complex automations without code, deploy anywhere with full control ⭐ 51
  • Convex - Build full-stack apps with TypeScript and real-time sync ⭐ 12K
  • Directus - Open-source data platform for effortless content management ⭐ 37K
  • Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
  • Fonoster - Open-source cloud communications platform for developers MIT ⭐ 8K
  • Frappe Builder - Visual website builder for effortless web design MIT ⭐ 2.2K
  • Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 549
  • Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.6K
  • Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 11K
  • Hatchet - Effortless CI/CD for modern cloud applications MIT ⭐ 7.6K
  • Hercules - Open-source vertical testing agent for effortless QA AGPL-3.0 ⭐ 1.1K
  • Hexabot - Build and manage AI-powered chatbots with ease AGPL-3.0 ⭐ 1.1K
  • HeyForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 8.9K
  • Inngest - Effortless event-driven workflows for modern applications ⭐ 5.7K
  • Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 10K
  • KeystoneJS - Flexible, scalable Node.js CMS and app framework MIT ⭐ 9.9K
  • Langflow - Visual builder for AI agents and RAG pipelines MIT ⭐ 153K
  • LyteNyte Grid - Lightning-fast React data grid for enterprise scale ⭐ 990
  • Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
  • Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.3K
  • n8n - Visual workflow automation with code flexibility and AI agents ⭐ 198K
  • NHost - Serverless backend platform for modern app development MIT ⭐ 9.3K
  • NocoBase - Build custom apps without code, deploy with ease ⭐ 23K
  • NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 64K
  • Nordcraft - Craft AAA web apps that delight your users Apache-2.0 ⭐ 487
  • Onlook - Visual React editor with real-time code updates Apache-2.0 ⭐ 26K
  • OpnForm - Create powerful forms with ease and flexibility AGPL-3.0 ⭐ 3.5K
  • Palform - Secure, encrypted forms with advanced features AGPL-3.0 ⭐ 46
  • Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 6.9K
  • PocketBase - Open-source backend in a single file MIT ⭐ 60K
  • ProcessWire - Flexible CMS for developers, powerful for clients ⭐ 1.1K
  • Proxed AI - Secure AI API management for iOS apps with DeviceCheck AGPL-3.0 ⭐ 8
  • Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 35K
  • Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
  • Rowy - Build powerful backends without leaving your browser ⭐ 6.8K
  • Silex - Free, open-source visual website builder for designers AGPL-3.0 ⭐ 2.9K
  • Structr - Build complete web apps with integrated graph database ⭐ 828
  • Supabase - Postgres-powered backend platform for production apps Apache-2.0 ⭐ 107K
  • Tailcall - The modern GraphQL runtime Apache-2.0 ⭐ 1.4K
  • Teable - Flexible database meets intuitive spreadsheet interface AGPL-3.0 ⭐ 22K
  • TipTap - Craft rich text experiences with ease MIT ⭐ 38K
  • ToolJet - Build internal tools rapidly without coding AGPL-3.0 ⭐ 38K
  • Trigger - Run long-running AI tasks without timeouts or servers Apache-2.0 ⭐ 16K
  • Typebot - Create powerful chatbots without coding ⭐ 10K
  • undb - Local-first, offline-first no-code database platform AGPL-3.0 ⭐ 3K
  • Vendure - Flexible e-commerce for modern businesses MIT ⭐ 8.3K
  • Vvveb CMS - Open source CMS with powerful drag-and-drop builder AGPL-3.0 ⭐ 1.1K
  • Webiny - Open-source serverless CMS for modern web projects ⭐ 8K
  • WebStudio - Visual web development with code-level control AGPL-3.0 ⭐ 8.8K
  • WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.2K

API Development & Testing

  • Bruno - Lightweight, fast, and open-source API client for developers MIT ⭐ 46K
  • Firecamp - Unified API development ecosystem for modern teams AGPL-3.0 ⭐ 2.6K
  • Gravitee - Unified API, event, and AI agent management platform Apache-2.0 ⭐ 437
  • Hive - Open-source GraphQL federation platform MIT ⭐ 483
  • Hoppscotch - Sleek, intuitive API development and testing platform MIT ⭐ 80K
  • HTTPie - Modern command-line HTTP client for the API era BSD-3-Clause ⭐ 4K
  • Insomnia - Powerful API development and testing made effortless Apache-2.0 ⭐ 40K
  • Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
  • Mockoon - Effortless API mocking for seamless development MIT ⭐ 8.3K
  • Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly ⭐ 6.7K
  • Scalar - Open-source API documentation and testing platform MIT ⭐ 16K
  • Tailcall - The modern GraphQL runtime Apache-2.0 ⭐ 1.4K
  • Tyk - Universal API management for REST, GraphQL, gRPC & async ⭐ 11K
  • UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.4K
  • Voiden - Build APIs like code with Git-native workspace Apache-2.0 ⭐ 1.4K
  • WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.2K
  • Yaak - Fast, secure, offline API client with Git integration MIT ⭐ 19K

Testing & Quality Assurance

  • Argos - Visual regression testing for seamless UI development MIT ⭐ 602
  • Hercules - Open-source vertical testing agent for effortless QA AGPL-3.0 ⭐ 1.1K
  • Quant-UX - Design, prototype, and test user experiences with ease GPL-3.0 ⭐ 2.7K
  • Unleash - Feature flags for rapid, risk-free software deployment AGPL-3.0 ⭐ 14K

Version Control & Collaboration

  • Coder - Fast, secure cloud development environments on your infrastructure AGPL-3.0 ⭐ 14K
  • Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
  • Forgejo - Self-hosted Git forge that's lightweight and secure ⭐ 5.2K
  • GitButler - Revolutionize your Git workflow with simultaneous branches ⭐ 21K
  • GitComet - Fast, local-first Git GUI built in Rust AGPL-3.0 ⭐ 616
  • Gitea - Self-hosted Git service for seamless collaboration MIT ⭐ 57K
  • GitLab - AI-powered DevSecOps for faster, secure software delivery ⭐ 25K
  • Gogs - Self-hosted Git service that's lightweight and easy to install MIT ⭐ 48K
  • Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
  • Shelve - Simplify project management for developers Apache-2.0 ⭐ 437

Code Analysis & Transformation

  • Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 2.8K

Build & Deployment

  • /dev/push - Deploy apps instantly with git push - open source alternative MIT ⭐ 4.7K
  • Appwrite - Open-source backend platform for rapid app development BSD-3-Clause ⭐ 57K
  • Bytebase - Secure and streamline database changes with CI/CD automation ⭐ 14K
  • Capgo - OTA updates for Capacitor apps without app store delays AGPL-3.0 ⭐ 202
  • Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 60K
  • Digger - Terraform automation with pull request workflows MIT ⭐ 5K
  • Dokku - Self-hosted mini-PaaS for deploying applications easily MIT ⭐ 32K
  • Dokploy - Effortless deployment and management for any VPS ⭐ 36K
  • Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.8K
  • Encore - Accelerate backend development with effortless scalability MPL-2.0 ⭐ 12K
  • FeatBit - Open-source feature flag management for seamless deployments MIT ⭐ 1.9K
  • Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.5K
  • GitLab - AI-powered DevSecOps for faster, secure software delivery ⭐ 25K
  • Harness - End-to-end open source software delivery platform Apache-2.0 ⭐ 38K
  • Hatchet - Effortless CI/CD for modern cloud applications MIT ⭐ 7.6K
  • NHost - Serverless backend platform for modern app development MIT ⭐ 9.3K
  • Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
  • NocoBase - Build custom apps without code, deploy with ease ⭐ 23K
  • Rivet - Build stateful backends with in-memory actors Apache-2.0 ⭐ 5.8K
  • Semaphore - Open source CI/CD platform that's faster and costs less ⭐ 1.6K
  • Stormkit - Deploy web apps with automated CI/CD and full infrastructure control GPL-3.0 ⭐ 228
  • Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 567
  • Terrateam - GitOps orchestration for infrastructure as code MPL-2.0 ⭐ 1.3K
  • Unleash - Feature flags for rapid, risk-free software deployment AGPL-3.0 ⭐ 14K
  • Windmill - Open-source workflow automation for developers ⭐ 17K
  • Woodpecker CI - Simple yet powerful CI/CD engine with great extensibility Apache-2.0 ⭐ 7.6K

Integration Platforms

  • ACI.dev - Build reliable AI agents with unified tool integration Apache-2.0 ⭐ 4.8K
  • ActivePieces - Automate workflows with no-code integration platform ⭐ 23K
  • Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
  • Hook0 - Open-source webhooks for seamless integrations ⭐ 1.5K
  • Jitsu - Open-source data integration for modern stacks MIT ⭐ 4.8K
  • Krakend - Blazing-fast API gateway with linear scalability Apache-2.0 ⭐ 2.7K
  • Nango - Build product integrations with 500+ APIs in hours ⭐ 11K
  • Orbital - Connect APIs, databases, and streams without glue code ⭐ 360
  • WunderGraph - Unify APIs, databases, and services effortlessly Apache-2.0 ⭐ 1.2K

AI Assisted Coding

  • Aider - AI pair programmer that works inside your terminal Apache-2.0 ⭐ 48K
  • Cline - Open-source AI coding agent for your editor and terminal Apache-2.0 ⭐ 65K
  • Cody - AI-powered coding assistant for enterprise development teams Apache-2.0 ⭐ 86
  • Continue - AI-enforced code checks on every pull request Apache-2.0 ⭐ 35K
  • Dyad - Build unlimited AI apps locally with zero vendor lock-in ⭐ 21K
  • Emdash - Dashboard for running multiple coding agents in parallel Apache-2.0 ⭐ 5.3K
  • Forgecode - Terminal-native AI coding agent built on ZSH Apache-2.0 ⭐ 7.5K
  • Frontman - AI coding agent that sees your live app and edits code ⭐ 643
  • Grok Build - AI coding agent and CLI for complex terminal workflows Apache-2.0 ⭐ 23K
  • Kilo - AI coding agent for VS Code, JetBrains, CLI, and Cloud MIT ⭐ 27K
  • Kodus - AI code review that learns your team's standards ⭐ 1.3K
  • Omnigent - Common layer for composing and governing AI agents Apache-2.0 ⭐ 7.8K
  • OmoiOS - Ship features while you sleep with autonomous AI agents Apache-2.0 ⭐ 70
  • OpenCode - AI coding agent for terminal, IDE, and desktop MIT ⭐ 191K
  • OpenHands - Autonomous coding agents that complete real engineering tasks MIT ⭐ 82K
  • Orca - Run multiple AI coding agents in parallel, side by side MIT ⭐ 32K
  • PearAI - Open-source AI-powered code editor for fast development ⭐ 757
  • pi - Minimal terminal coding agent you can fully customize MIT ⭐ 80K
  • Pullfrog - AI agent workflows built natively into GitHub MIT ⭐ 851
  • Reflex - Full-stack Python platform for web apps and internal tools Apache-2.0 ⭐ 29K
  • Roomote - Self-hosted AI coding agent that opens real PRs Apache-2.0 ⭐ 128
  • Superset - Run dozens of AI coding agents in parallel on your machine ⭐ 13K
  • SWE-agent - AI agents that autonomously fix code and resolve GitHub issues MIT ⭐ 20K
  • Synara - Code with Claude, Codex, Gemini, and more in one workspace MIT ⭐ 1.4K
  • T3 Code - AI-powered coding made simple and efficient MIT ⭐ 15K
  • Tabby - AI-powered code completion for seamless development ⭐ 34K

Terminals

  • Alacritty - High-performance terminal with GPU acceleration Apache-2.0 ⭐ 65K
  • Ghostty - Fast GPU-accelerated terminal with native UI design MIT ⭐ 59K
  • iTerm 2 - Advanced terminal with modern features for Mac developers GPL-2.0 ⭐ 18K
  • Kitty - GPU-accelerated terminal built for power users GPL-3.0 ⭐ 34K
  • Warp - A modern terminal built around AI coding agents AGPL-3.0 ⭐ 64K
  • WaveTerm - Revolutionize Your Terminal Experience Apache-2.0 ⭐ 22K
  • WezTerm - GPU-accelerated terminal emulator with multiplexing across all platforms ⭐ 28K
  • Zellij - Organize terminal sessions with built-in layouts, tabs, and panes MIT ⭐ 35K

Infrastructure & Operations

Cloud Infrastructure Management

  • AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 10K
  • Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 60K
  • Cozystack - Turn bare metal into intelligent cloud infrastructure Apache-2.0 ⭐ 2.2K
  • Digger - Terraform automation with pull request workflows MIT ⭐ 5K
  • Flexprice - Open source metering and billing infrastructure for any pricing model AGPL-3.0 ⭐ 3.6K
  • Nitric - Cloud-native framework for infrastructure from code Apache-2.0 ⭐ 2K
  • OpenMeter - Real-time usage metering and billing for AI companies Apache-2.0 ⭐ 2.2K
  • OpenStack - Open source cloud infrastructure trusted at massive scale Apache-2.0 ⭐ 6K
  • OpenTofu - Open source infrastructure as code tool MPL-2.0 ⭐ 30K
  • Pulumi - Infrastructure as code in your favorite language Apache-2.0 ⭐ 25K
  • Terrateam - GitOps orchestration for infrastructure as code MPL-2.0 ⭐ 1.3K

Server & VM Management

  • 1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 36K
  • aaPanel - Powerful and user-friendly web hosting control panel ⭐ 3K
  • CasaOS - Your personal cloud OS for simple, elegant home servers Apache-2.0 ⭐ 37K
  • Coolify - Deploy apps, databases, and services to your own server Apache-2.0 ⭐ 60K
  • Cosmos Server - Self-hosted cloud platform with automated security ⭐ 6.1K
  • Dokploy - Effortless deployment and management for any VPS ⭐ 36K
  • OpenPanel - Simplify server management with an intuitive interface MIT ⭐ 711
  • Refine - Build data-rich React apps with ease and flexibility MIT ⭐ 35K
  • Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 567
  • YunoHost - Self-host your digital life with ease AGPL-3.0 ⭐ 3K

Monitoring & Observability

  • Bugsink - Self-hosted error tracking for full control and scalability ⭐ 2K
  • Cachet - Professional status page system for transparent downtime communication ⭐ 15K
  • Checkmate - Beautiful open-source monitoring for modern infrastructure AGPL-3.0 ⭐ 10K
  • Checkmk - Complete IT infrastructure monitoring made simple GPL-2.0 ⭐ 2.3K
  • Coroot - Full-stack observability without code changes Apache-2.0 ⭐ 7.8K
  • EasyMonitor - Self-hosted uptime monitoring that runs on your hardware, not their servers MIT ⭐ 61
  • Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
  • Gatus - Advanced automated status page for real-time monitoring Apache-2.0 ⭐ 12K
  • Gigapipe - All-in-one observability with unlimited data ingestion AGPL-3.0 ⭐ 1.7K
  • Grafana - Open source analytics and monitoring solution AGPL-3.0 ⭐ 76K
  • GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.5K
  • Highlight - Real-time observability for modern web applications ⭐ 9.3K
  • HyperDX - Full-stack observability without the enterprise price tag MIT ⭐ 9.8K
  • Icinga - Open source monitoring for complex IT infrastructure GPL-3.0 ⭐ 2.2K
  • Keep - Unify, automate, and elevate your monitoring workflow MIT ⭐ 12K
  • Kener - Deploy a professional status page in minutes, no coding required MIT ⭐ 5.1K
  • Logfire - Powerful observability made simple for developers MIT ⭐ 4.4K
  • Logstash - Centralize, transform, and stash your data ⭐ 15K
  • Nagios - Complete infrastructure monitoring with 25+ years of expertise GPL-2.0 ⭐ 2K
  • NetData - Real-time monitoring for systems and applications GPL-3.0 ⭐ 80K
  • OneUptime - Comprehensive monitoring and incident management platform Apache-2.0 ⭐ 7.4K
  • OpenObserve - Petabyte-scale observability, without the massive bill. AGPL-3.0 ⭐ 20K
  • OpenReplay - Self-hosted session replay with complete data control ⭐ 12K
  • OpenStatus - Status page and uptime monitoring for growing teams AGPL-3.0 ⭐ 8.9K
  • Operational - Real-time event tracking and response for tech products AGPL-3.0 ⭐ 473
  • Peekaping - Self-hosted uptime monitoring you own and control MIT ⭐ 1.2K
  • ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 30K
  • Sentry - Real-time error tracking and performance monitoring ⭐ 44K
  • SigNoz - Open-source observability platform for cloud-native apps ⭐ 32K
  • Statusnook - Monitor, manage, and communicate service status effortlessly MIT ⭐ 974
  • StatusScout - Complete website health monitoring and security scanning ⭐ 15
  • Uptime Kuma - Self-hosted uptime monitoring with a clean dashboard MIT ⭐ 90K
  • Uptrace - Open source observability platform for modern applications AGPL-3.0 ⭐ 4.2K
  • Wachd - AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped ⭐ 34

Databases

  • Baserow - No-code database and app builder you can self-host ⭐ 5.4K
  • Activeloop - The tensor database for AI data Apache-2.0 ⭐ 9.2K
  • AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 15K
  • Alarik - S3-compatible object storage built with Swift Apache-2.0 ⭐ 477
  • Apache Cloudberry - Unlock Data's Potential with Open Source Power Apache-2.0 ⭐ 1.3K
  • Azimutt - Next-Gen ERD: Design, Explore, Document and Analyze your database. MIT ⭐ 2.2K
  • Beekeeper Studio - Modern and intuitive SQL client for multiple databases ⭐ 23K
  • Bytebase - Secure and streamline database changes with CI/CD automation ⭐ 14K
  • Ceph - Scalable open-source distributed storage system ⭐ 17K
  • Chat2DB - Transform natural language into SQL queries with AI Apache-2.0 ⭐ 28K
  • Chroma - Open-source vector database for AI search and retrieval Apache-2.0 ⭐ 29K
  • Conar - AI-powered PostgreSQL management made simple AGPL-3.0 ⭐ 1.4K
  • CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
  • Databend - Cloud-native data warehouse for lightning-fast analytics ⭐ 9.4K
  • DBeaver - Free database manager for SQL databases and beyond Apache-2.0 ⭐ 51K
  • Dragonfly - Blazing-fast in-memory data store for modern applications ⭐ 31K
  • drawDB - Design database diagrams and generate SQL scripts instantly AGPL-3.0 ⭐ 38K
  • Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
  • Garage - Lightweight distributed storage for self-hosting AGPL-3.0 ⭐ 4.2K
  • GreptimeDB - Unified observability database for metrics, logs, and traces Apache-2.0 ⭐ 6.5K
  • Grist - Flexible spreadsheets with database power Apache-2.0 ⭐ 11K
  • HelixDB - Unify vector search and graph traversals in one database Apache-2.0 ⭐ 5.7K
  • InfluxDB - Purpose-built time series database for real-time systems Apache-2.0 ⭐ 32K
  • Instant - Realtime client-side database for collaborative apps Apache-2.0 ⭐ 10K
  • Mathesar - Spreadsheet-like interface for PostgreSQL databases GPL-3.0 ⭐ 5.1K
  • Memgraph - High-performance graph computing for scalable data analysis ⭐ 4.3K
  • Milvus - High-performance vector database for GenAI applications Apache-2.0 ⭐ 45K
  • Neon Postgres - Serverless Postgres for modern applications Apache-2.0 ⭐ 23K
  • NocoDB - Transform databases into intuitive spreadsheets instantly AGPL-3.0 ⭐ 64K
  • OceanBase - High-performance distributed database for all workloads Apache-2.0 ⭐ 10K
  • Orama - Full-text & vector search at the edge. ⭐ 11K
  • Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.4K
  • Qdrant - Fast, scalable vector database for AI applications Apache-2.0 ⭐ 34K
  • QuestDB - High-performance time-series database for massive data scale Apache-2.0 ⭐ 17K
  • SlateDB - Embedded storage engine built on object storage Apache-2.0 ⭐ 3.2K
  • Spacedrive - Your personal distributed filesystem AGPL-3.0 ⭐ 39K
  • Storj - Secure, decentralized cloud storage for your data AGPL-3.0 ⭐ 3.3K
  • Tabularis - Desktop SQL client with built-in MCP for AI agent access Apache-2.0 ⭐ 3.9K
  • TDengine - Time-series database and historian for industrial data AGPL-3.0 ⭐ 25K
  • TiDB - Scale-out SQL database for real-time analytics Apache-2.0 ⭐ 40K
  • TimescaleDb - Time-series database built on top of PostgreSQL ⭐ 23K
  • Turso - SQLite-compatible database for scalable multi-tenant applications MIT ⭐ 17K
  • undb - Local-first, offline-first no-code database platform AGPL-3.0 ⭐ 3K
  • Weaviate - AI-native vector database for intuitive applications BSD-3-Clause ⭐ 17K

Networking & Connectivity

  • Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.8K
  • FireZone - Fast, flexible VPN replacement with zero-trust security Apache-2.0 ⭐ 9K
  • Netbird - Zero Trust networking with WireGuard-based secure connectivity ⭐ 28K
  • OpenVPN - Zero Trust VPN solutions for secure business networking ⭐ 14K
  • Pangolin - Zero trust network access that's better than VPN ⭐ 22K
  • SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 158
  • Soketi - Next-gen WebSockets server for real-time apps AGPL-3.0 ⭐ 5.6K
  • Tailscale - Zero-config VPN with WireGuard for secure networking BSD-3-Clause ⭐ 34K
  • WR.DO - Free DNS management and URL shortening platform MIT ⭐ 2.3K

Orchestration & Scheduling

  • 1Panel - Manage Linux servers with ease through a modern web interface GPL-3.0 ⭐ 36K
  • Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
  • Bacalhau - Revolutionizing data processing with Compute Over Data Apache-2.0 ⭐ 867
  • Digger - Terraform automation with pull request workflows MIT ⭐ 5K
  • dstack - GPU orchestration across clouds, Kubernetes, and on-prem MPL-2.0 ⭐ 2.2K
  • Dyrector - Simplify container deployment across environments Apache-2.0 ⭐ 1.8K
  • Giselle - Build and deploy AI agents through visual workflows Apache-2.0 ⭐ 549
  • Hatchet - Effortless CI/CD for modern cloud applications MIT ⭐ 7.6K
  • Inngest - Effortless event-driven workflows for modern applications ⭐ 5.7K
  • Kestra - Declarative workflow orchestration for data, AI, and infra Apache-2.0 ⭐ 27K
  • Mage - Magical data pipeline tool for seamless transformations Apache-2.0 ⭐ 8.8K
  • n8n - Visual workflow automation with code flexibility and AI agents ⭐ 198K
  • Prefect - Python-native workflow orchestration for data and ML teams Apache-2.0 ⭐ 24K
  • Temporal - Build resilient applications with durable execution workflows MIT ⭐ 22K
  • Terrateam - GitOps orchestration for infrastructure as code MPL-2.0 ⭐ 1.3K
  • Tracecat - Open source security automation platform for builders AGPL-3.0 ⭐ 3.7K
  • Trigger - Run long-running AI tasks without timeouts or servers Apache-2.0 ⭐ 16K
  • Windmill - Open-source workflow automation for developers ⭐ 17K

Messaging & Event Streaming

  • AutoMQ - S3-based serverless Kafka reinvented for cost efficiency Apache-2.0 ⭐ 10K
  • Hook0 - Open-source webhooks for seamless integrations ⭐ 1.5K
  • Ntfy - Simple, fast, and secure push notifications for all Apache-2.0 ⭐ 32K
  • Operational - Real-time event tracking and response for tech products AGPL-3.0 ⭐ 473
  • Sequin - Open-source message stream built on Postgres MIT ⭐ 2.2K
  • Soketi - Next-gen WebSockets server for real-time apps AGPL-3.0 ⭐ 5.6K
  • Timeplus - Real-time stream processing made simple and affordable Apache-2.0 ⭐ 2.2K
  • Trench - Fast, scalable analytics infrastructure MIT ⭐ 1.6K
  • Workbench - Inspect, debug, and replay BullMQ queues visually MIT ⭐ 422

Storage Solutions

  • Alarik - S3-compatible object storage built with Swift Apache-2.0 ⭐ 477
  • Ceph - Scalable open-source distributed storage system ⭐ 17K
  • Cozy - Your secure French personal cloud for complete data control AGPL-3.0 ⭐ 1.3K
  • Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 28K
  • Filestash - Unified file management for your enterprise storage AGPL-3.0 ⭐ 14K
  • Firefiles - Your unified cloud storage solution AGPL-3.0 ⭐ 371
  • Garage - Lightweight distributed storage for self-hosting AGPL-3.0 ⭐ 4.2K
  • Hoodik - Secure self-hosted cloud storage with end-to-end encryption ⭐ 1.4K
  • Immich - Self-hosted photo and video backup for your own server AGPL-3.0 ⭐ 109K
  • Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 36K
  • Paperless-home - Effortlessly organize your digital documents GPL-3.0 ⭐ 44K
  • Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 43K
  • Spacedrive - Your personal distributed filesystem AGPL-3.0 ⭐ 39K
  • Storj - Secure, decentralized cloud storage for your data AGPL-3.0 ⭐ 3.3K
  • Twake Drive - Secure open source file storage with end-to-end encryption AGPL-3.0 ⭐ 979

Backup & Recovery

  • Plakar - Encrypted, queryable backups for engineers who value time ISC ⭐ 2K
  • Pluton - Self-hosted encrypted backups with 70+ cloud storage options Apache-2.0 ⭐ 565

Search Engines

  • Elasticsearch - The leading distributed search and analytics engine ⭐ 78K
  • Manticore Search - Lightning-fast open source search engine for big data GPL-3.0 ⭐ 12K
  • Meilisearch - Lightning-fast search for your applications MIT ⭐ 59K
  • OpenSearch - Open-source search and analytics at enterprise scale Apache-2.0 ⭐ 13K
  • Quickwit - Lightning-fast search for massive datasets Apache-2.0 ⭐ 11K
  • Typesense - Lightning-fast, typo-tolerant search engine for all GPL-3.0 ⭐ 26K

Miscellaneous

Finance & Fintech

  • 0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 239
  • Ballerine - AI agents that transform merchant risk decisions at scale ⭐ 2.4K
  • Crater - AI-powered embedded AR/AP automation for platforms AGPL-3.0 ⭐ 8.3K
  • Fincept Terminal - Open-source financial terminal for data-driven insights ⭐ 29K
  • Formance - Open source financial infrastructure for modern businesses ⭐ 516
  • Ghostfolio - Track, analyze, and optimize your investments effortlessly AGPL-3.0 ⭐ 9K
  • Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 19K
  • Hyperswitch - Open source payment orchestrator for global transactions Apache-2.0 ⭐ 43K
  • OpenBB - AI-powered analytics workspace built for investment teams ⭐ 71K
  • Wealthfolio - Secure desktop investment tracker for private wealth management AGPL-3.0 ⭐ 8.4K

Design & Prototyping

  • draw.io - Security-first diagramming with no login required Apache-2.0 ⭐ 7.1K
  • Grida - Open canvas for designing and building web apps Apache-2.0 ⭐ 2.6K
  • OpenPencil - Design editor that opens Figma files, runs AI, and stays local MIT ⭐ 7.4K
  • Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 58K
  • Plasmic - Visual app builder that integrates with your existing codebase MIT ⭐ 6.9K
  • Quant-UX - Design, prototype, and test user experiences with ease GPL-3.0 ⭐ 2.7K

Cryptocurrency & Blockchain

  • 0 Finance - Transform idle cash into competitive yield for startups MIT ⭐ 239
  • Hey - Decentralized social networking for the Web3 era GPL-3.0 ⭐ 29K
  • Hummingbot - Open-source crypto trading bot for market making Apache-2.0 ⭐ 19K
  • OctoBot - Automate crypto trading with open-source strategies GPL-3.0 ⭐ 6.3K
  • Sigle - Web3 writing platform for content creators and crypto enthusiasts MIT ⭐ 489

Gaming

  • GDevelop - Create 2D and 3D games without coding, powered by AI assistance ⭐ 25K
  • Godot - Free 2D and 3D game engine for cross-platform projects MIT ⭐ 115K
  • MonoGame - Free, open-source framework for cross-platform game development ⭐ 14K
  • s&box - Build and play games inside a game engine that runs live ⭐ 6.4K

Internet of Things (IoT)

  • CrateDB - Scalable SQL database for real-time analytics Apache-2.0 ⭐ 4.4K
  • Home Assistant - Local control smart home automation with privacy first Apache-2.0 ⭐ 90K

Logistics & Supply Chain

  • FleetBase - Open source modular logistics platform for faster app development AGPL-3.0 ⭐ 2.1K

Media & Streaming

  • Anthias - Transform any TV into professional digital signage ⭐ 3.6K
  • BookWyrm - Decentralized social network for book lovers and readers ⭐ 2.8K
  • Invidious - Watch YouTube without Google tracking you or showing ads AGPL-3.0 ⭐ 21K
  • Jellyfin - Self-hosted media server for movies, music, and more GPL-2.0 ⭐ 55K
  • Navidrome - Self-hosted music streaming for your personal collection GPL-3.0 ⭐ 23K
  • Nuclear - Ad-free music player that streams from multiple sources AGPL-3.0 ⭐ 18K
  • Openinary - Self-hosted media processing with full control AGPL-3.0 ⭐ 368
  • PeerTube - Decentralized video platform for true digital freedom AGPL-3.0 ⭐ 15K

Photo & Video Editors

  • Audacity - Professional audio editing made simple and free ⭐ 17K
  • Darktable - Professional RAW photo editing and workflow management GPL-3.0 ⭐ 13K
  • GIMP - Professional image editing without the price tag ⭐ 6.3K
  • Kdenlive - Professional video editing without the price tag GPL-3.0 ⭐ 5.4K
  • Krita - Professional digital painting made accessible to everyone GPL-3.0 ⭐ 10K
  • LosslessCut - Cut and trim video without re-encoding or quality loss GPL-2.0 ⭐ 42K
  • OpenCut - Open source video editor that runs in your browser MIT ⭐ 79K
  • OpenShot - Free, cross-platform video editor that's easy to learn ⭐ 6.1K
  • RawTherapee - Professional raw photo processing made free and powerful GPL-3.0 ⭐ 4.1K
  • Shotcut - A free, open source, cross-platform video editor GPL-3.0 ⭐ 15K

Productivity & Utilities

Note Taking & Knowledge Management

  • Macro Docs - Markdown docs wired into tasks, email, and agents AGPL-3.0 ⭐ 672
  • Affine - Docs, whiteboards, and databases in one privacy-first workspace ⭐ 71K
  • Anarlog - Private meeting notes, no bots, files you own MIT ⭐ 8.9K
  • AnyType - Private workspace for notes, tasks, and databases ⭐ 8.5K
  • AppFlowy - AI workspace for docs, projects, and wikis you control AGPL-3.0 ⭐ 74K
  • Beaver Notes - Local-first notes app with no cloud, no AI, no tracking MIT ⭐ 1.3K
  • Blinko - AI-Powered Note Taking App GPL-3.0 ⭐ 11K
  • Darkwrite - Distraction-free note-taking with powerful features AGPL-3.0 ⭐ 297
  • Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.5K
  • Docmost - Self-hosted wiki with AI, compliance, and real-time editing AGPL-3.0 ⭐ 21K
  • itsnotes - Self-hosted sticky notes with better organization MIT ⭐ 26
  • Joplin - Encrypted note-taking that syncs across all your devices ⭐ 56K
  • Justnote - Privacy-focused note-taking made simple and fast GPL-2.0 ⭐ 67
  • KeePassXC - Cross-platform, secure password manager ⭐ 28K
  • Khoj - AI second brain for research, automation, and personal agents AGPL-3.0 ⭐ 36K
  • Logseq - Privacy-first knowledge base that connects your notes AGPL-3.0 ⭐ 44K
  • Memos - Self-hosted timeline for quick notes, logs, and snippets MIT ⭐ 62K
  • Notesnook - Zero-knowledge encrypted notes that sync across all devices GPL-3.0 ⭐ 14K
  • Open-Notebook - AI-powered research notebook with full privacy control MIT ⭐ 36K
  • OpenNotas - Fast, secure, and free personal note-taking app ⭐ 175
  • Outline - Fast, collaborative wiki for teams who need organized docs ⭐ 40K
  • SiYuan - Privacy-first knowledge management with block-level linking AGPL-3.0 ⭐ 45K
  • Standard Notes - Secure, encrypted notes for your digital life AGPL-3.0 ⭐ 6.6K
  • SurfSense - Privacy-first knowledge base with any AI model you choose Apache-2.0 ⭐ 16K
  • Tolaria - Local-first, Git-native personal knowledge base with AI AGPL-3.0 ⭐ 19K
  • Vrite - Collaborative content creation for technical teams ⭐ 2K
  • XWiki - Open-source knowledge management and collaboration platform LGPL-2.1 ⭐ 1.3K
  • Zen - Clean, distraction-free note-taking with local storage AGPL-3.0 ⭐ 1.1K

Password & Secret Management

  • Bitwarden - Secure password management for individuals and businesses ⭐ 20K
  • KeePassXC - Cross-platform, secure password manager ⭐ 28K
  • Padloc - Secure password manager with end-to-end encryption AGPL-3.0 ⭐ 2.9K
  • Passbolt - Secure password management for teams AGPL-3.0 ⭐ 6K
  • PearPass - Complete password control, zero cloud dependency Apache-2.0 ⭐ 519

Screen Capture & Recording

  • Cap - Open source screen recorder with editing and instant sharing AGPL-3.0 ⭐ 20K
  • Kap - Effortless screen recording for macOS MIT ⭐ 19K
  • OBS Studio - Free, open-source software for video recording and live streaming GPL-2.0 ⭐ 74K
  • Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 18K
  • ShareX - Powerful screen capture and file sharing tool for Windows GPL-3.0 ⭐ 39K
  • Snapify - Self-hosted screen recording for seamless collaboration AGPL-3.0 ⭐ 1K

File Management & Sync

  • Cozy - Your secure French personal cloud for complete data control AGPL-3.0 ⭐ 1.3K
  • Firefiles - Your unified cloud storage solution AGPL-3.0 ⭐ 371
  • Hoodik - Secure self-hosted cloud storage with end-to-end encryption ⭐ 1.4K
  • LocalSend - Share files securely across all devices without servers Apache-2.0 ⭐ 86K
  • Nextcloud - Secure cloud collaboration platform for organizations AGPL-3.0 ⭐ 36K
  • OpenCloud - Self-hosted file sharing built for digital sovereignty Apache-2.0 ⭐ 5.8K
  • PairDrop - Instant file sharing across devices without setup GPL-3.0 ⭐ 11K
  • Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.4K
  • Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 43K
  • Seafile - Self-hosted file sync with AI-powered organization ⭐ 15K
  • Spacedrive - Your personal distributed filesystem AGPL-3.0 ⭐ 39K
  • Sync-in - Open-source file storage with complete data sovereignty AGPL-3.0 ⭐ 1.6K
  • Twake Drive - Secure open source file storage with end-to-end encryption AGPL-3.0 ⭐ 979

Email & Communication

  • Macro Mail - Keyboard-first email client with AI, chat, and tasks AGPL-3.0 ⭐ 672
  • Novu - Multi-channel notification infrastructure for apps ⭐ 39K
  • AgentMail - Email inbox API built for AI agents and workflows ⭐ 37
  • DoubleZero - Self-hosted email infrastructure for developers AGPL-3.0 ⭐ 1.2K
  • Freescout - Open-source helpdesk for seamless customer support AGPL-3.0 ⭐ 4.4K
  • Hyvor Relay - Open-source email API with enterprise deliverability AGPL-3.0 ⭐ 711
  • Inbox Zero - AI email assistant that automates, organizes, and declutters AGPL-3.0 ⭐ 12K
  • Keila - Open-source email marketing for the privacy-conscious AGPL-3.0 ⭐ 2.2K
  • Ntfy - Simple, fast, and secure push notifications for all Apache-2.0 ⭐ 32K
  • Plunk - The open-source, affordable email platform AGPL-3.0 ⭐ 5.3K
  • Sendportal - Self-hosted email marketing with unlimited everything MIT ⭐ 2.2K
  • Sessy - Own your SES email analytics, from send to inbox ⭐ 905
  • Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 7.8K
  • Twake Mail - Secure open source email with advanced encryption & AI AGPL-3.0 ⭐ 636
  • UnInbox - Transform team email into efficient collaborative workflows ⭐ 1.8K
  • useSend - Pay per email sent, not for contact storage AGPL-3.0 ⭐ 4.5K

Automation

  • Parlant - Structured control layer for customer-facing AI agents Apache-2.0 ⭐ 18K
  • ActivePieces - Automate workflows with no-code integration platform ⭐ 23K
  • AITable - Visual database for workflow automation across apps AGPL-3.0 ⭐ 15K
  • Automa - Build AI agents and RPA workflows without writing code ⭐ 22K
  • Automatisch - Open-source integration platform for seamless workflows ⭐ 14K
  • Botpress - Build powerful AI agents with cutting-edge LLM technology MIT ⭐ 15K
  • Browser Use - Let AI agents control any browser, at scale MIT ⭐ 107K
  • ByteChef - Build AI agents and automate complex workflows seamlessly ⭐ 922
  • CodeZero - Build complex automations without code, deploy anywhere with full control ⭐ 51
  • Ethora - Messaging SDK with AI agents for web, iOS, and Android Apache-2.0 ⭐ 541
  • Hatchet - Effortless CI/CD for modern cloud applications MIT ⭐ 7.6K
  • Hexabot - Build and manage AI-powered chatbots with ease AGPL-3.0 ⭐ 1.1K
  • Keep - Unify, automate, and elevate your monitoring workflow MIT ⭐ 12K
  • Leon - Your open-source personal assistant for server automation MIT ⭐ 17K
  • Lightpanda - Fast, AI-native web browser built for automation and scraping AGPL-3.0 ⭐ 33K
  • LiveKit - Full-stack platform for voice, video, and physical AI agents Apache-2.0 ⭐ 20K
  • MDMA - Markdown that mounts real applications MIT ⭐ 57
  • n8n - Visual workflow automation with code flexibility and AI agents ⭐ 198K
  • OpenWork - Open source AI automation with your own models and tools MIT ⭐ 17K
  • Orgnise - Effortlessly manage tasks, projects, and teams AGPL-3.0 ⭐ 244
  • Skyvern - Automate any website workflow with AI and computer vision AGPL-3.0 ⭐ 23K
  • Steel - Control browser fleets in the cloud for AI automation Apache-2.0 ⭐ 7.4K
  • Tiledesk - Elevate customer support with AI-powered chat solutions MIT ⭐ 11
  • Typebot - Create powerful chatbots without coding ⭐ 10K
  • Windmill - Open-source workflow automation for developers ⭐ 17K

Time & Task Management

  • ActivityWatch - Track time automatically with privacy-first design MPL-2.0 ⭐ 18K
  • Ever Teams - Real-time work and project management platform AGPL-3.0 ⭐ 520
  • Freeter - Your personal workspace organizer for maximum productivity GPL-3.0 ⭐ 1K
  • Hackatime - Track coding time across 70+ editors, completely free MIT ⭐ 173
  • Kanri - Simplify your workflow with offline Kanban boards GPL-3.0 ⭐ 2K
  • Kimai - Effortless time tracking for teams and projects AGPL-3.0 ⭐ 4.8K
  • Sol - Fast and beautiful launcher for quick access to apps and tools MIT ⭐ 3K
  • SolidTime - Effortless time tracking for open source projects AGPL-3.0 ⭐ 8.8K
  • Super Productivity - Task manager built for deep work, privacy, and focus MIT ⭐ 21K
  • TimeScribe - Transform your time tracking into actionable insights GPL-3.0 ⭐ 877
  • Ueli - Quick access to apps and files with keyboard shortcuts MIT ⭐ 4.6K
  • Wakapi - Track coding time effortlessly, gain insights instantly MIT ⭐ 4.4K
  • Ziit - Track coding time and boost developer productivity AGPL-3.0 ⭐ 248

Personal Finance Management

  • Actual - Local-first envelope budgeting with full data ownership MIT ⭐ 28K
  • ezBookkeeping - Lightweight self-hosted bookkeeping with AI receipt scanning MIT ⭐ 5.3K
  • Financial Freedom - Open-source personal finance management tool GPL-3.0 ⭐ 2.9K
  • Fincept Terminal - Open-source financial terminal for data-driven insights ⭐ 29K
  • Firefly III - Self-hosted personal finance manager with double-entry bookkeeping AGPL-3.0 ⭐ 24K
  • Ghostfolio - Track, analyze, and optimize your investments effortlessly AGPL-3.0 ⭐ 9K
  • Monetr - Take control of your finances, paycheck by paycheck ⭐ 673
  • Spliit - Effortlessly split expenses with friends and roommates MIT ⭐ 2.8K
  • Splitpro - Effortlessly split expenses with friends and groups MIT ⭐ 1.4K
  • Sure.am - The personal finance app for everyone AGPL-3.0 ⭐ 9.2K
  • Wealthfolio - Secure desktop investment tracker for private wealth management AGPL-3.0 ⭐ 8.4K
  • YAFFA - Free, self-hosted personal finance app for long-term planning MIT ⭐ 107

Design & Visualization

  • Affine - Docs, whiteboards, and databases in one privacy-first workspace ⭐ 71K
  • Chalk.ist - Transform your source code into stunning visuals MIT ⭐ 1.8K
  • Excalidraw - Collaborative whiteboard with a hand-drawn aesthetic MIT ⭐ 129K
  • Graphite - Procedural vector editor that runs in your browser, no signup needed Apache-2.0 ⭐ 27K
  • Penpot - Open-source UI design and prototyping for product teams MPL-2.0 ⭐ 58K
  • Ray.so - Create beautiful images of your code MIT ⭐ 2.3K
  • Tldraw - Free instant whiteboard with real-time collaboration ⭐ 49K

Bookmark & Content Management

  • Bookmark It - Organize, discover, and personalize your bookmarks AGPL-3.0 ⭐ 324
  • Brace.to - Securely save and access your favorite links across devices MIT ⭐ 104
  • Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 75
  • Faved - Handcrafted minimal bookmark manager with advanced tagging system MIT ⭐ 1.2K
  • Karakeep - Save links, notes, and images. AI tags them for you. AGPL-3.0 ⭐ 28K
  • Linkding - Self-hosted bookmark manager built for speed and simplicity MIT ⭐ 11K
  • Linkwarden - Collaborative bookmark manager for teams and individuals AGPL-3.0 ⭐ 19K
  • Readeck - Save, organize and revisit web content effortlessly ⭐ 1K
  • Ryot - Track your life, your way GPL-3.0 ⭐ 3.5K
  • SeriesGuide - Track your TV shows and movies on Android ⭐ 2.1K
  • Showly - Track TV shows and movies, synced with Trakt.tv GPL-3.0 ⭐ 1.4K
  • Tonkatsu Box - Track games, movies, anime, manga, and books in one place MIT ⭐ 475
  • Wallabag - Save articles for later reading with complete privacy MIT ⭐ 13K

Remote Desktop & Access

  • RustDesk - Self-hosted remote desktop you fully control AGPL-3.0 ⭐ 119K

Browsers & Extensions

  • Brave - Fast, private browser that puts you first MPL-2.0 ⭐ 23K
  • Browser Operator - Open-source AI browser for intelligent web automation BSD-3-Clause ⭐ 499
  • Cloudmark - Organize and access your bookmarks seamlessly in the cloud AGPL-3.0 ⭐ 75
  • Deta Surf - Browser and notebook combined with local-first AI Apache-2.0 ⭐ 3.5K
  • Flow - Fast, secure browsing with powerful organization features GPL-3.0 ⭐ 1.1K
  • Harper - Fast grammar checking that respects your privacy Apache-2.0 ⭐ 14K
  • Helium - Privacy-first browser with ad-blocking and no bloat GPL-3.0 ⭐ 19K
  • Ladybird - An independent browser engine built from scratch, not a fork BSD-2-Clause ⭐ 65K
  • LanguageTool - AI-powered grammar checker for 30+ languages LGPL-2.1 ⭐ 15K
  • Linguist - Privacy-focused translation with offline capabilities BSD-3-Clause ⭐ 1K
  • Midori Browser - Fast, secure, and privacy-focused web browsing MPL-2.0 ⭐ 362
  • Requestly - Intercept, modify, and debug HTTP(S) requests effortlessly ⭐ 6.7K
  • Screenity - Free, private screen recording for Chrome GPL-3.0 ⭐ 18K
  • Zen - System-wide ad-blocking and privacy protection, no extensions needed MIT ⭐ 4.1K
  • Zen Browser - Privacy-focused browser with powerful customization MPL-2.0 ⭐ 44K

Input & Dictation

  • Amical - Type 10x faster with AI-powered voice dictation MIT ⭐ 1.5K
  • FluidVoice - On-device voice dictation for macOS with adaptive AI GPL-3.0 ⭐ 9K
  • Handy - Press a key, speak, release. Text appears instantly. MIT ⭐ 28K
  • Jarvis - Dictate faster and control your Mac with voice MIT ⭐ 595
  • OpenWispr - Voice-to-text that works offline, privately, on any app MIT ⭐ 4.9K
  • VoiceInk - Local voice dictation with AI enhancement for macOS ⭐ 5.7K
  • VoiceTypr - Offline voice dictation that types into any app ⭐ 612

Office Suites

  • Collabora Online - Open-source document editing suite for secure collaboration ⭐ 3.3K
  • CryptPad - Secure collaboration with end-to-end encryption AGPL-3.0 ⭐ 7.8K
  • IronCalc - A spreadsheet engine you can embed, self-host, or run in the browser Apache-2.0 ⭐ 4K
  • LibreOffice - Free office suite with Microsoft compatibility GPL-3.0 ⭐ 4.2K
  • ONLYOFFICE Docs - Complete office suite for documents, spreadsheets & more AGPL-3.0 ⭐ 6.7K

Maps & Navigation

  • CoMaps - Navigate anywhere offline with complete privacy Apache-2.0 ⭐ 1.9K
  • Organic Maps - Privacy-first offline maps for hiking, cycling & navigation ⭐ 15K
  • OSMAnd - Navigate anywhere with detailed offline maps and GPS ⭐ 5.9K

System Cleanup & Optimization

  • BleachBit - Clean your system and free disk space GPL-3.0 ⭐ 6.4K
  • Pearcleaner - A free but powerful Mac app cleaner ⭐ 14K

Security & Privacy

Identity & Access Management (IAM)

  • Hanko - Passkeys, SSO, and MFA without vendor lock-in ⭐ 9K
  • Authentik - Take control of your identity with a secure, flexible solution ⭐ 23K
  • Authgear - Managed identity and access management for any app Apache-2.0 ⭐ 1.9K
  • Better Auth - Framework-agnostic authentication for TypeScript applications MIT ⭐ 29K
  • Cerbos - Secure, policy-based access control for modern applications Apache-2.0 ⭐ 4.5K
  • Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.8K
  • HashiCorp Vault - Secure storage and access control for secrets and sensitive data ⭐ 36K
  • Hexclave - Modular auth, payments, emails, and analytics for your product ⭐ 6.8K
  • JumpServer - Secure access management for modern IT infrastructure GPL-3.0 ⭐ 31K
  • Keycloak - Secure authentication and access control made simple Apache-2.0 ⭐ 36K
  • Logto - Secure, seamless authentication for modern applications MPL-2.0 ⭐ 14K
  • Ory - A certified and battle-tested identity solution Apache-2.0 ⭐ 14K
  • Permify - Build scalable authorization in minutes, not months AGPL-3.0 ⭐ 5.9K
  • SuperTokens - Secure, customizable authentication for your applications ⭐ 15K
  • Werbot - Secure, scalable server access management for DevOps ⭐ 169
  • Zitadel - Secure, customizable identity infrastructure for developers AGPL-3.0 ⭐ 15K

Secrets Management

  • HashiCorp Vault - Secure storage and access control for secrets and sensitive data ⭐ 36K
  • Infisical - Secure secret management for modern development teams ⭐ 28K
  • Keyshade - Secure secret management with public key encryption MPL-2.0 ⭐ 760
  • Phase - Secure, deploy, and manage application secrets effortlessly ⭐ 900
  • UnKey - Secure, scalable API key management for developers AGPL-3.0 ⭐ 5.4K
  • Werbot - Secure, scalable server access management for DevOps ⭐ 169

Threat Detection & Response

  • Bugsink - Self-hosted error tracking for full control and scalability ⭐ 2K
  • Highlight - Real-time observability for modern web applications ⭐ 9.3K
  • HyperDX - Full-stack observability without the enterprise price tag MIT ⭐ 9.8K
  • Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 2.8K
  • ProjectDiscovery - Advanced vulnerability detection and management platform MIT ⭐ 30K
  • Sentry - Real-time error tracking and performance monitoring ⭐ 44K
  • Temps - One self-hosted binary replaces Vercel, Sentry, and analytics tools Apache-2.0 ⭐ 567
  • Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K
  • Tracecat - Open source security automation platform for builders AGPL-3.0 ⭐ 3.7K

Network Security

  • Defguard - Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities ⭐ 2.8K
  • FireZone - Fast, flexible VPN replacement with zero-trust security Apache-2.0 ⭐ 9K
  • Netbird - Zero Trust networking with WireGuard-based secure connectivity ⭐ 28K
  • Pangolin - Zero trust network access that's better than VPN ⭐ 22K
  • Tailscale - Zero-config VPN with WireGuard for secure networking BSD-3-Clause ⭐ 34K
  • Werbot - Secure, scalable server access management for DevOps ⭐ 169

Data Security & Privacy

  • Cinny - Secure and elegant Matrix client for seamless conversations AGPL-3.0 ⭐ 3.8K
  • Element - Secure, decentralized messaging for teams and individuals AGPL-3.0 ⭐ 13K
  • Ente - Secure, private photo storage and sharing solution AGPL-3.0 ⭐ 28K
  • Fluxer - Open source messaging with privacy and community focus AGPL-3.0 ⭐ 9.8K
  • Mattermost - Secure collaboration platform for mission-critical work ⭐ 39K
  • Peergos - Secure, private, and decentralized file storage AGPL-3.0 ⭐ 2.4K
  • Puter - A full desktop environment that runs in your browser AGPL-3.0 ⭐ 43K
  • Quiet - Serverless team chat over Tor, no phone number needed GPL-3.0 ⭐ 2.6K
  • SAMA - Secure, scalable chat server for modern applications GPL-3.0 ⭐ 158
  • Signal - Private messaging with end-to-end encryption AGPL-3.0 ⭐ 29K
  • Stoat - Group chat for friends and communities, without the baggage ⭐ 3.2K
  • Tuta - Secure email, calendar and contacts with end-to-end encryption GPL-3.0 ⭐ 7.8K
  • Wire - Secure collaboration platform with end-to-end encryption GPL-3.0 ⭐ 2.5K
  • Zen - System-wide ad-blocking and privacy protection, no extensions needed MIT ⭐ 4.1K

Application Security

  • Abby - Type-safe feature flags and remote config for developers AGPL-3.0 ⭐ 167
  • ALTCHA - Next-Gen CAPTCHA and Spam Protection, GDPR compliant MIT ⭐ 2.6K
  • Cap - Privacy-first CAPTCHA alternative with proof-of-work ⭐ 7.4K
  • Cerbos - Secure, policy-based access control for modern applications Apache-2.0 ⭐ 4.5K
  • FeatBit - Open-source feature flag management for seamless deployments MIT ⭐ 1.9K
  • Featurevisor - Feature management with GitOps for developers MIT ⭐ 803
  • Flagsmith - Feature flags and remote config for rapid deployment BSD-3-Clause ⭐ 6.5K
  • Flipt - Git-native feature management for developers GPL-3.0 ⭐ 4.9K
  • Friendly Captcha - Invisible bot protection that respects user privacy MPL-2.0 ⭐ 30
  • GrowthBook - Open-source A/B testing and feature flagging platform ⭐ 8.1K
  • Infisical - Secure secret management for modern development teams ⭐ 28K
  • mCaptcha - Privacy-first proof-of-work CAPTCHA without user friction AGPL-3.0 ⭐ 2.5K
  • Opengrep - Open-source code security engine for developers LGPL-2.1 ⭐ 2.8K
  • Private Captcha - GDPR-compliant bot protection without user friction ⭐ 185
  • Procaptcha - Decentralized CAPTCHA for enhanced web security Apache-2.0 ⭐ 297
  • Unleash - Feature flags for rapid, risk-free software deployment AGPL-3.0 ⭐ 14K

Fraud Prevention

  • Marble - Real-time fraud detection and AML compliance engine ⭐ 571
  • Tirreno - Security framework that protects from within your product AGPL-3.0 ⭐ 1.5K

Contributing

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Footnotes

  • Total Projects: 740
  • Categories: 85
  • Total Stars: 13M
  • Last Updated: July 29, 2026

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Curated list of open source alternatives to proprietary software.

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