Plugin for IntelliJ IDEA that gives special support for Minecraft mods
One framework for creating powerful cross-platform games
A bridge/proxy allowing you to connect to Minecraft
A simple and easy-to-use library to enjoy videogames programming
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A certain block game
Programming eXperience Toolkit
Fully async, multithreaded, predictive, open source, 3.01 reach
A generic, simple and fast implementation of Deepmind's AlphaZero
Cross-platform 2D and 3D game engine with modular architecture
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
A retro game engine for Python
LayaAir is an open-source 2D/3D engine
Gideros Release version
Open source library for creative expression on the web, desktop, etc.
A free and open-source Touhou Project fangame
You can make it - Open Source MMORPG Platform
Open Source MMORPG Framework
Cross-platform game engine in Rust
Kotlin extensions for the libGDX game framework
Solar2D Game Engine main repository (ex Corona SDK)
Recreation of the classic Grand Theft Auto III game executable
Widelands is a free, open source real-time strategy game
A free transportation simulator game
A cross-platform port of Hexen II game.