Fast and lightweight JavaScript game engine built on WebGL and glTF
Doom-based AI research platform for reinforcement learning
Solar2D Game Engine main repository (ex Corona SDK)
Zig game engine & graphics toolkit
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Odamex is a free, cross-platform, modern client-server Doom engine
3D and 2D game engine written in Rust
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Diablo build for modern operating systems
Free game engine for development of desktop, mobile, and web games
Self-hosted CMS platform based on the Laravel PHP Framework
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Home theater software and entertainment hub for digital media
Magic Another Game Engine
Embeddable unity game engine view for Flutter
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Svelto ECS C# Entity Component System
An automatic speedrun stopwatch for GZdoom
Amateur 3D Game Engine
RTSish Game Engine
Good-looking and addictive OpenSource games
Chess training program playing gambits
SpaceStations, StarShip Division.
Animation Compression Library