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