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

The official NGINX Open Source repository.

Cross-platform asynchronous I/O

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input

A modern, portable, easy to use crypto library.

Embedded web server, with TCP/IP network stack, MQTT and Websocket

AddressSanitizer, ThreadSanitizer, MemorySanitizer

Extremely Fast Compression algorithm

A small C compiler

A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. All communication should be through the Lua mailing list https://www.lua.org/lua-l.html

Official Git mirror of the SQLite source tree

A curated list of Multiplayer Game Network Programming Resources

A fast entity component system (ECS) for C & C++

A massively spiffy yet delicately unobtrusive compression library.

Low-level unprivileged sandboxing tool used by Flatpak and similar projects

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months …

WebAssembly Micro Runtime (WAMR)

Mirror of the LuaJIT git repository

upstream mirror

Small portable AES128/192/256 in C

RF transmitter for Raspberry Pi

Embeddable, replicated and fault-tolerant SQL engine.

Data Plane Development Kit

ENet reliable UDP networking library

DO NOT CHECK OUT THESE FILES FROM GITHUB UNLESS YOU KNOW WHAT YOU ARE DOING. (See below.)

Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.

C library for prototyping and experimenting with quantum-resistant cryptography