A collection of the best free and open source hamradio projects!
- KB1OIQ - Andy's Ham Radio Linux A ham radio Linux distribution with pre-installed amateur radio software, maintained by KB1OIQ.
- 73Linux Maintained by KM4ACK.
- W3DJS HamPi A Raspberry Pi image with a large collection of ham radio software pre-installed.
- DragonOS a Debian based Linux distribution with pre-installed open source SDR software.
- APRS Track Direct APRS Track Direct is a collection of tools that can be used to run an APRS website.
- APRSdroid is an Android application that allows reporting your position via APRS with other amateur radio operators.
- APSD A modern APRS software platform. Cross-platform: Works on Linux, Windows, and Mac. Native
GPSdintegration. - Direwolf Software TNC, APRS digipeater, and igate supporting a wide range of modems and soundcard interfaces.
- HBLink3 Open Source HomeBrew Repeater Protocol Client/Master, can be used to create links between hotspots and repeaters.
- Pat A cross-platform Winlink client for Linux, macOS, and Windows supporting Telnet, AX.25, and VARA.
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MD380Tools and TyMD380Tools have reverse engineered the MD380 and MD-2017/MDUV380 series radios respectively and have tools to build and work with replacement firmwares. MD380tools has most of what you need to understand the TYT .rdt codeplug format.
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OpenGD77 Firmware for DMR transceivers using the NXP MK22 MCU, AT1846S RF chip and HR-C6000 DMR chipset. Including the Radioddity GD-77, Baofeng DM-1801 and Baofeng RD-5R.
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G90Tools Tools and guides for working with the Xiegu G90 HF radio firmware.
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OpenRTX OpenRTX is a free and open source firmware for digital amateur radio devices, top-down designed with modularity, flexibility and performance in mind.
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DualTachyon QuanSheng UV-K5 The original open reimplementation of QuanSheng UV-K5 firmware.
- OneOfEleven Mod Expands DualTachyon.
- fagci Mod DualTachyon with a spectrum analyzer.
- Tunas1337 M0d Another UV-K5 firmware variant with additional modifications. (Check the branches.)
- egzumer Merged Firmware Includes OneOfEleven and fagci mods. Manual.
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K3ng CW Keyer is an open source Arduino based CW Keyer.
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Amateur Radio Emergency Radio Network (AREDN) is a project that is delivering quality, high-speed, data communications for Emcomm via Amateur using commercial off the shelf hardware.
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Quansheng UV-k5 Web Flasher is a firmware web flasher for Quansheng UV-K5.
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UVMod Web Flasher is a firmware web flasher for Quansheng UV-K5.
- multimon-ng decodes many paging, AFSK modes, and similar, including POCSAG, FLEX, EAS.
- rtl_433 Decodes a wide range of ISM band sensors and devices via RTL-SDR and other backends.
- Codec2 is a FOSS ultra-low bitrate voice codec that's competitive from 3200 bits/s down to 450 bits/s.
- UniPager Universal POCSAG transmitter controller written in Rust.
- GNU Radio a software development toolkit that provides signal processing blocks to implement software radios.
- gqrx is an open source software defined radio (SDR) receiver implemented using GNU Radio and the Qt GUI toolkit.
- linhpsdr Linux HPSDR software.
- pihpsdr Raspberry Pi 3 standalone code for HPSDR
- quisk SDR software to control different radios like the Hermes-Lite or HiQSDR
- CubicSDR a Cross-Platform Software-Defined Radio Application.
- inspectrum is a tool for analyzing captured signals, primarily from software-defined radio receivers.
- ShinySDR is the software component of a software-defined radio receiver like the HackRF or RTL-SDR.
- SDRangel SDR and signal analyzer frontend to various hardware.
- PyMultimonAPRS can take an RTLSDR or audio input and Igate APRS traffic.
- OpenWebRX Open source, multi-user SDR receiver software with a web interface, forked and improved from HA7ILM's excellent initial project.
- Qradiolink Multimode SDR transceiver for GNU Radio.
- SDRPlusPlus SDR++ is a cross-platform and open source SDR software with the aim of being bloat free and simple to use.
- SigDigger a free digital signal analyzer for GNU/Linux and macOS, built on top of Sigutils and Suscan.
- AetherSDR brings FlexRadio operation to Linux without Wine or virtual machines, built with Qt6 and C++20 using the SmartSDR protocol natively.
- FreqShow RTL-SDR spectrum analyzer display designed for the Raspberry Pi touchscreen.
- Cloudlog Cloudlog is a self-hosted PHP application that allows you to log your amateur radio contacts anywhere. All you need is a web browser and active internet connection.
- Wavelog Enhanced power fork of Cloudlog. Stability, Usability, Performance. Web and Demo: https://www.wavelog.org.
- CQRLOG an advanced ham radio logger based on MySQL database.
- KLog Linux, macOS and Windows multiplatform Hamradio logger.
- PyQSO is a contact logging tool for amateur radio operators.
- Xlog a minimal logging program for Amateur Radio Operators.
- GridTracker is a warehouse of amateur radio information presented in an easy to use interface, from live traffic decodes, logbooks, spot reports, weather, current solar conditions and more. (Used with WSJT-X)
- Not1MM an alternative to N1MM contest logger using Python and QT.
- Node Red Contesting Dashboard A basic multi screen contesting dashboard written in Node Red.
- TLF is a logging program for radiosport, or ham radio contests. It supports CQWW, CQ-WPX, ARRL-DX, ARRL-FD, PACC, and EU SPRINT contests as well as many more, and also has general QSO and DXpedition modes.
- POLO Ham2K Portable Logger is a mobile logging made in React.
- FLEcli is a processor for log files in the Fast Log Entry (FLE) format running on Windows, MacOS, Linux, ARM (RaspberryPi) and Docker.
- WSJT five programs designed for amateur radio communication
- WSJT: Modes optimized for meteor scanner, ionospheric scatter, and EME at VHF/UHF/Microwaves.
- WSJT-X: Modes JT65, JT9. Primarily for use at HF.
- MAP65: For EME and VHF and higher frequencies. Implements a panoramic, polarization-matching receiver for JT65.
- WSPR: Probe potential propagation paths using low-power transmissions.
- WSPR-X: Experimental version of WSPR, including the slow mode WSPR-15.
- JTDX is an alternative to WSJT.
- MSHV is an alternative to WSJT.
- fldigi is a modem program for most of the digital modes used by radio amateurs today.
- The WPSD Project WPSD is a next-generation, digital voice software suite for amateur radio use. It supports DMR, D-Star, Yaesu System Fusion (YSF/C4FM), P25, NXDN digital voice modes & POCSAG data/paging.
- JS8Call HF digital messaging built on the FT8 protocol, designed for keyboard-to-keyboard and emergency communications.
- Hamlib libraries for amateur radio equipment control applications.
- pyhamtools is a set of functions and classes for Amateur Radio purposes.
- CSDR csdr is a command line tool to carry out DSP tasks for Software Defined Radio.
- CHIRP a free, open-source tool for programming your amateur radio.
- editcp a codeplug editor for the Tytera MD380 and MD390 as well as the Alinco DJ-MD40 radios.
- flrig Rig control front-end for Hamlib, designed to work alongside fldigi.
- Grig GTK+ graphical rig control application using Hamlib.
- QDMR a GUI application and command line tool to program DMR radios.
- Gpredict a real-time satellite tracking and orbit prediction application.
- gr-satellites GNU Radio decoders for several Amateur satellites.
- SatDump a generic satellite data processing software.
- SatNOGS Open source global network of satellite ground stations with scheduling and decoding infrastructure.
- AFU Group Trainer A tool that eases the collaborative learning for the (German) HAM exam by allowing each student to answer the questions during a learning session instead of just one person answering. (Currently only in German.)
- MorseRunner-CE An effective practice tool for improving CW copying and pileup handling skills.
- NEC2++ Numerical Electromagnetic Code in C++.
- OpenEMS a free and open-source electromagnetic field solver using the FDTD method.
- VOACAP HF propagation prediction tool based on the ITU VOACAP engine.
- MMDVM Multi-Mode Digital Voice Modem
- MMDVM_HS_HAT for the Raspberry Pi (Zero)
- HPSDR a hardware and software project intended as a "next generation" Software Defined Radio (SDR) for use by Radio Amateurs.
- SM1000 FreeDV adapter FreeDV in hardware.
- Hermes Lite2 a low-cost software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project.
- Mobilinkd TNCs have open firmware, unsure if hardware is open. Homepage
- QCX-SSB This is a simple and experimental modification that transforms your QCX into a (class-E driven) SSB transceiver.
- uBITx An understandable general coverage HF SSB/CW transceiver kit.
- M17-Project/OpenHT-hw Hardware part of the OpenHT - an open-source, SDR handheld transceiver.
- bmo/tuning-knob-pcboard Open Source Tuning knob that works with PowerSDR and SmartSDR and Remote Ham Radio (RHR). Uses STM32 hardware.
- AIOC USB-C All-in-One board used for Audio, PTT, and Programming HTs.
- OpenCWKeyerMK2 Open-Source Version of the K1EL Winkeyer using K3NG firmware.
- OHIS is a standard for various audio interfaces.
- kv4p HT Turn your Android phone into a modern ham radio transceiver.
- LoRaDV HT ESP32 based LoRa digital voice handheld transceiver.
- LinHT an open-source Linux-based handheld transceiver hardware by the M17 Project.
See CONTRIBUTING.md for guidelines on adding entries, the entry format, and how to report broken links.