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

Extremely fast non-cryptographic hash algorithm

Quake III Arena GPL Source Release

A native, user-mode, multi-process, graphical debugger.

Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations.

Quake GPL Source Release

3D Content Creation Tools

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

Quake 2 GPL Source Release

Implementations of SIMD instruction sets for systems which don't natively support them.

OpenGL text using one vertex buffer, one texture and FreeType

Code for the "Graphics Gems" book series

single header libraries for C/C++

Lightweight open source FBX importer

The Arm ASTC Encoder, a compressor for the Adaptive Scalable Texture Compression data format.

A C library that may be linked into a C/C++ program to produce symbolic backtraces

C++ Rendering Plugin example for Unity

Simple C++ one-header library for the creation of animated GIFs from image data.

C Compiler to SPIR-V

Simple H.264 decoder

Simple comparison framework for APIs

Various single-file C libraries.

Single header C99 portable library for monitoring filesystem changes. (Windows/Linux/MacOS)

Various sun/sky models, convolution of theta/gamma-parameterised models

OpenGL and Vulkan header and loader generator.

Single-header multi-platform tablet library

OpenAPV

Spinning Vulkan Cube