C Repositories

Linux kernel source tree

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

TLS/SSL and crypto library

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.

The systemd System and Service Manager

The official NGINX Open Source repository.

tmux source code

React Native module for CodePush

Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch

Official Git mirror of the SQLite source tree

A time-series database for high-performance real-time analytics packaged as a Postgres extension

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

Samples for CUDA Developers which demonstrates features in CUDA Toolkit

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

Linux namespaces and seccomp-bpf sandbox

🎥 Command line media player

VLC media player - All pull requests are ignored, please use MRs on https://code.videolan.org/videolan/vlc

OBS Studio - Free and open source software for live streaming and screen recording

Klipper is a 3d-printer firmware

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

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

CircuitPython - a Python implementation for teaching coding with microcontrollers

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/

Open-source vector similarity search for Postgres

Cross-platform asynchronous I/O

Command-line JSON processor

LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to tech@openbsd.org are welcome.

Nmap - the Network Mapper. Github mirror of official SVN repository.

Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. ⚠️ GitHub won't let us disable pull requests. ⚠️ THEY WILL BE IGNORED HERE ⚠️ Upload them at GitLab instead.

Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.

Minimalistic C client for Redis >= 1.2

Mirror of the LuaJIT git repository

Mirror of https://git.ffmpeg.org/ffmpeg.git

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

PCRE2 development is based here.

xv6 OS

TUI for managing XDG default applications