Eva.js is a front-end game engine for creating interactive projects
A complete 3-D game development suite written in Java
A modular Common Lisp game engine
A game engine powered by python and panda3d
A refreshingly simple data-driven game engine built in Rust
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cocos simplifies game creation and distribution with Cocos Creator
The ioquake3 community effort to continue supporting/developing id's
Cross-platform game engine in Rust
Magic Another Game Engine
Open source library for creative expression on the web, desktop, etc.
A Flutter based game engine
Godot Minimal Theme
A game framework written with osu! in mind.
An easy to use 2D HTML5 game engine written in TypeScript
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
utility collection for 2D game development in Java; sound-player
Full featured MUD server with all the trimmings.
JavaScript-based game engine designed to empower developers
Game framework with AI
Murder is a pixel art ECS game engine
A high speed C++17 Vulkan game engine
Retro game engine for creating games like it's 1997
Vivid is a modern C++ 3D engine using OpenGL4+