Open source cross-platform multi-purpose game toolkit
Self-hosted game stream host for Moonlight
Free game engine for development of desktop, mobile, and web games
HTML5 Phigros chart player/simulator
The Modrinth monorepo containing all code which powers Modrinth
Kitty-Tools is a Kahoot Cheating Client for all devices and interfaces
Cocos simplifies game creation and distribution with Cocos Creator
Open source library for creative expression on the web, desktop, etc.
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
An Open Source Minecraft Launcher with Modern UX
Self-hosted CMS platform based on the Laravel PHP Framework
Free, cross-platform 2D game engine powered by Haxe and OpenFL
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
The ioquake3 community effort to continue supporting/developing id's
Cross-platform game engine in Rust
PoC Minecraft client written in Javascript
Satisfying monster shooter
Fast, user-friendly cross-platform custom launcher for Minecraft
Build multiplayer web games played by millions
A free and open-source Touhou Project fangame
Programming eXperience Toolkit
The game engine for everyone
2D JavaScript Physics Engine
Tactical 2D shooter in fishy pixels style. Made with Rust-lang
A dead simple 2D game engine for Go