Open-source engine for Heroes of Might and Magic III
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Godot is a powerful cross-platform game engine
A game framework written with osu! in mind.
Multi Theft Auto is a game engine
3D Procedural Game Engine Using OpenGL
Solar2D Game Engine main repository (ex Corona SDK)
A completely free, open-source, 2D game engine
The Ren'Py Visual Novel Engine
The Tiny JavaScript Game Engine That Can!
Recreation of the classic Grand Theft Auto III game executable
Open source clone of the Age of Empires II engine
Cross-platform 2D game engine focused on ultimate productivity
A fresh & lightweight javascript game engine
Xash3D FWGS engine
New Godot bindings for Swift
Fast and lightweight JavaScript game engine built on WebGL and glTF
A game engine powered by python and panda3d
Real Time Strategy game engine supporting early Westwood classics
RPG Maker 2000/2003 and EasyRPG games interpreter
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Voxel game-creation platform with easy modding and game creation
A high-performance, industry-standard 2D physics engine built on Box2D
A multi core friendly rigid body physics and collision detection lib