Godot is a powerful cross-platform game engine
Xash3D FWGS engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform 2D and 3D game engine
UCI chess engine
Open source voxel game engine with support for survival and crafting
Voxel game-creation platform with easy modding and game creation
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
The game engine for everyone
A dead simple 2D game engine for Go
Sandbox video game with a powerful physics engine
New Godot bindings for Swift
Godot Kotlin JVM Module
Free, cross-platform 2D game engine powered by Haxe and OpenFL
3D Engine c++
GemRB is a portable open-source implementation of the Infinity Engine
Home theater software and entertainment hub for digital media
Cross-platform game engine in Rust
Motor de juegos de aventura programable
Portable UCI- and XBoard-compatible chess engines.
Orx: Data-Driven Game Engine
Play Fighting Fantasy fan stories on this simple engine
Scripts and tools for building and testing chess engines.
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented