The fastest path to AI-powered full stack observability, even for lean teams.

Hexagonal hierarchical geospatial indexing system

UNIX-like reverse engineering framework and command-line toolset

Streaming replication for SQLite.

OpenZFS on Linux and FreeBSD

The systemd System and Service Manager

C-based/Cached/Core Computer Vision Library, A Modern Computer Vision Library

SWI-Prolog Main development repository

Lightweight and customizable notification daemon

Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

EDK II

EdgeTX is the cutting edge open source firmware for your R/C radio

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

Flexible I/O Tester

STM32 core support for Arduino

The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!

Arduino Audio Tools (a powerful Audio library not only for Arduino)

Display and control your Android device

distributed builds for C, C++ and Objective C

Open Source Flight Controller Firmware

Extremely Fast Compression algorithm

Official repository for mtr, a network diagnostic tool

blingful character graphics/TUI library. definitely not curses.

Zstandard - Fast real-time compression algorithm

bpftune uses BPF to auto-tune Linux systems

tmux source code

Synthesizer plug-in (previously released as Vember Audio Surge)

The Corosync Cluster Engine

the SSH library