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