Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
Voxel game-creation platform with easy modding and game creation
The game engine for everyone
Solar2D Game Engine main repository (ex Corona SDK)
Open source library for creative expression on the web, desktop, etc.
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cross-platform game engine in Rust
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open-source engine for Heroes of Might and Magic III
A dead simple 2D game engine for Go
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
Multi-platform 2D and 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Kotlin extensions for the libGDX game framework
A completely free, open-source, 2D game engine
GemRB is a portable open-source implementation of the Infinity Engine
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Play Fighting Fantasy fan stories on this simple engine
Orx: Data-Driven Game Engine
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Motor de juegos de aventura programable