Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Godot is a powerful cross-platform game engine
The Ren'Py Visual Novel Engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
Real Time Strategy game engine supporting early Westwood classics
fheroes2 is a recreation of Heroes of Might and Magic II game engine
The game engine for everyone
A game engine powered by python and panda3d
Multi Theft Auto is a game engine
A complete 3-D game development suite written in Java
Solar2D Game Engine main repository (ex Corona SDK)
A retro game engine for Python
Voxel game-creation platform with easy modding and game creation
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open-source engine for Heroes of Might and Magic III
A refreshingly simple data-driven game engine built in Rust
Multi-platform 2D and 3D game engine
Cross-Platform C++ 2D/3D game engine
Free game engine for development of desktop, mobile, and web games
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Powerful, mature open-source cross-platform game engine for Python
Stride (formerly Xenko), a free and open-source cross-platform C# game