Multi-platform 2D and 3D game engine
UCI chess engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cross-platform game engine in Rust
Orx: Data-Driven Game Engine
Urho3D Game engine
Children's learning programming language Karel the Robot in 3D
The Atomic Game Engine is a multi-platform 2D and 3D engine
online 4X browser game engine
3D .NET engine for Windows, Linux, Mac
2D physics engine for games
A cross-platform OpenGL based lightweight scenegraph library
Cross-platform 2D game engine
Free, no-signup chess diagram generator. Paste a FEN, customize the bo