A pure Go game engine
Powerful, mature open-source cross-platform game engine for Python
The flexible game engine
Multi Theft Auto is a game engine
Stride (formerly Xenko), a free and open-source cross-platform C# game
Flax Engine, multi-platform 3D game engine
Solar2D Game Engine main repository (ex Corona SDK)
Svelto ECS C# Entity Component System
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Descent 3 by Outrage Entertainment
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
dhewm 3 main repository
An easy to use 2D HTML5 game engine written in TypeScript
Free game engine for development of desktop, mobile, and web games
The ioquake3 community effort to continue supporting/developing id's
Recreation of the classic Grand Theft Auto III game executable
High performance UI layout library in C
3D Game engine with editor
3D Procedural Game Engine Using OpenGL
New Godot bindings for Swift
A game framework written with osu! in mind.
Multi-platform 2D and 3D game engine
Tools and Z80 engine for creating adventure games. (RUST)
API (C#) for simulating certain aspects of a ZX spectrum for porting.
Orx: Data-Driven Game Engine