Cosmic Toybox

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

⏱️ single header benchmark framework for C and C++

NVIDIA’s implementation of RTX ray-tracing in Quake II

Cross-platform SSE/AVX/NEON-accelerated math library, coming with a common library to be used in HLSL/C++ code

Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter, and display a variety of images with ease. It is highly portable and has been ported to several platforms.