Voxel game-creation platform with easy modding and game creation
Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
Open-source engine for Heroes of Might and Magic III
The game engine for everyone
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Solar2D Game Engine main repository (ex Corona SDK)
Cross-platform game engine in Rust
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Multi-platform 2D and 3D game engine
Embeddable unity game engine view for Flutter
A dead simple 2D game engine for Go
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Cocos simplifies game creation and distribution with Cocos Creator
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Free, open source game engine online
Magic Another Game Engine
The Tiny JavaScript Game Engine That Can!
Open source clone of the Age of Empires II engine
Kotlin extensions for the libGDX game framework
Descent 3 by Outrage Entertainment
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented