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
Control your MacOS terminals via Telegram, for fun coding agents interaction and profit
Pure C inference of Mistral Voxtral Realtime 4B speech to text model
Polyseed Monero
MimiClaw: Run OpenClaw on a $5 chip. No OS(Linux). No Node.js. No Mac mini. No Raspberry Pi. No VPS.😗Local-first memory. Shareable. Portable. Privacy-first.
C inference for Qwen3-ASR 0.6b and 1.7b transcriptions models
Proof of Concept (PoC) implant for creating custom Cobalt Strike Beacons
a ~1200 Elo chess engine that fits within 2KB
The most atomic way to train and inference a GPT in pure, dependency-free C
Open-source CUDA compiler targeting AMD GPUs (and more in the future!). Compiles .cu to GFX11 machine code.
Run a 1-billion parameter LLM on a $10 board with 256MB RAM
Your personal AI assistant in under 888 KB, running on an ESP32
A Beacon Object File (BOF) that talks directly to Windows authentication packages through the LSA untrusted/trusted client interface, without touching LSASS process memory.
Unlocking qualcomm bootloader via gbl exploit.
Open-source, low-cost 10.5 GHz PLFM phased array RADAR system
JavaScript runtime for the BEAM — Web APIs backed by OTP, native DOM, and a built-in TypeScript toolchain.
Making AI Assistants Cheap Again!
A Cobalt Strike RL built with Crystal Palace — module overloading, NtContinue entry transfer, call stack spoofing, sleep masking, and static signature removal.
Stealth-focused Intel VT-x hypervisor base (EAC/BE/ACs/AVs).
A minimum viable terminal emulator built on top of the libghostty C API. Ex minimo, infinita nascuntur. 👻🐣
凭什么ROOT就不给用指纹支付？？？
一款开源的简洁好用的网络抓包分析软件
An eBPF-based behavioral monitor for AI coding agents.