Open source HTML5 game framework that offers WebGL and Canvas
All Google Snake mods combined into one
A Minecraft mapping tool that creates 3D models of your Minecraft
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Self-hosted CMS platform based on the Laravel PHP Framework
3D game engine/framework in C, with Luajit and Python bindings now
Programming eXperience Toolkit
Open source library for creative expression on the web, desktop, etc.
A completely free, open-source, 2D game engine
3D and 2D game engine written in Rust
CTFs as you need them
Game engine supporting many 3D/2D formats and graphic effects
JavaScript framework to build game engines, games, emulators and apps
JavaScript-based game engine designed to empower developers
Javascript library for making tile based games
XML-based framework for developing games
The imaginary eight-bit machine
A complete web framework to create online Fighting Fantasy adventures
Bring web-cam to life on your monitor.
3D .NET engine for Windows, Linux, Mac
Turbulenz is a modular 3D and 2D game framework
Educational framework for OpenGLES, OpenCL and OpenAL
Android:Netrunner Tournament Manager