A New Cross-Platform 2D 3D Game Engine

Audio plugin framework. VST2/VST3/AU/AAX/LV2 for Linux/macOS/Windows.

WebGL2.0 3D Engine - Global Illumination - RayTracing

The Dæmon game engine. With some bits of ioq3 and XreaL.

DirectX 11 Renderer written in C++11

An OpenGL / WebGPU engine for Desktop JVM, Android and Javascript written in Kotlin

A Python binding for the great C library raylib.

Cross platform 3D renderer in C++ and OpenGL with lighting, shadows and materials.

OptiX Path Tracer

Physically based rendering (PBR) for raylib

A straight-forward, easy-to-use, drop-in, PBR replacement for Panda3D's builtin auto shader

Game engine playground.

A rendering engine, what else?

A simple rendering library to experiment with CG techniques in OpenGL.

A Processing library providing physically based rendering and materials

DirectX 12 Rendering Engine

Orkid Media Engine (C++/Lua/Python3/Linux/MacOs/OpenVR)

Interactive preview for PBR materials and HDRI environments in the browser. Originally built for ambientCG.com, now open source.

A 3D engine created from scratch in WebGL

PBR based renderer in Java using OpenGL (ES) with GLTF support. Vulkan support is being worked on.