HARFANG 3D source code public repository
Desktop/Android/HTML5/iOS Java game development framework
Injectable LUA scripting system, SDK generator, live property editor
This is an active mirror of the KiCad development branch
3D engine with modern graphics
Fast, small, safe, gradually typed embeddable scripting language
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
The open-asset-importer-library repository
Dust3D is a cross-platform open-source 3D modeling software
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-Platform C++ 2D/3D game engine
Free and open source real-time strategy game
3D Procedural Game Engine Using OpenGL
Powerful, mature open-source cross-platform game engine for Python
Flexible level editor
An open source C++ game engine
Doom-based AI research platform for reinforcement learning
Simple and light-weight 3D game engine
Flax Engine, multi-platform 3D game engine
Cross-platform, open source, and super fast MUD client with scripting
Open source Cardboard SDK and samples
Parabator 2 - Free 3d board game
GemRB is a portable open-source implementation of the Infinity Engine