Self-hosted CMS platform based on the Laravel PHP Framework
The Modrinth monorepo containing all code which powers Modrinth
CTFs as you need them
Open source HTML5 game framework that offers WebGL and Canvas
A web-based roguelike written in Dart
Java/JavaFX/Kotlin Game Library (Engine)
An updated version of the classic "Basic Computer Games" book
Free, cross-platform 2D game engine powered by Haxe and OpenFL
An elegant Go board and SGF editor for a more civilized age
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Fast and lightweight JavaScript game engine built on WebGL and glTF
Programming eXperience Toolkit
3D game engine/framework in C, with Luajit and Python bindings now
A free and open-source Touhou Project fangame
A retro game engine for Python
Open source library for creative expression on the web, desktop, etc.
Free game engine for development of desktop, mobile, and web games
The game engine for everyone
A completely free, open-source, 2D game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-platform game engine in Rust
The Turn Based Strategy Game/eSport. Master your beasts
Full featured MUD server with all the trimmings.
PoC Minecraft client written in Javascript
Build multiplayer web games played by millions