stb single-file public domain libraries for C/C++

High performance UI layout library in C.

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

A single-header ANSI C immediate mode cross-platform GUI library

Extremely fast non-cryptographic hash algorithm

minimal cross-platform standalone C headers

Box2D is a 2D physics engine for games

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

The “Quite OK Image Format” for fast, lossless image compression

Audio playback and capture library written in C, in a single source file.

Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games

Use any web browser or WebView as GUI, with your preferred language in the backend and modern web technologies in the frontend, all in a lightweight portable library.

Single C file, Realtime CPU/GPU Profiler with Remote Web Viewer

Easy to integrate Vulkan memory allocation library

An open source re-implementation of Caesar III

A network library for client/server games written in C++

Secure client/server connections over UDP

Single-file public domain libraries for C/C++

Vulkan Quake port based on QuakeSpasm

C library for cross-platform real-time audio input and output

tiny recursive descent expression parser, compiler, and evaluation engine for math expressions

Meta loader for Vulkan API

DUNE, REINVENTED

A simple math library for games and computer graphics. Compatible with both C and C++. Public domain and easy to modify.

4X Space Strategy game Star Ruler 2's open source distribution.

A free and open-source Touhou Project fangame

🚀 Making multi-player gamedev simpler since 2017

Improved Quake III Arena engine

A game engine made as part of the Kohi Game Engine series on YouTube (and Twitch!), where we make a game engine from the ground up using C and Vulkan.

The FASTEST QUALITY hash function, random number generators (PRNG) and hash map.