The most portable, extensible, and configurable C logging library. Thread-safe, native syslog/os_log/EventLog, custom plugins. C17 core w/ C++20 wrapper, bindings. Adapters for fmt, std::format, std::iostream, and boost::format.
c embedded cross-platform cpp logger logging syslog event-log ansi-colors no-dependencies plugin-system thread-safe c17 cpp20 logging-framework os-log
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Updated
May 9, 2026 - C