Open source HTML5 game framework that offers WebGL and Canvas
Self-hosted CMS platform based on the Laravel PHP Framework
Open source library for creative expression on the web, desktop, etc.
Fast and lightweight JavaScript game engine built on WebGL and glTF
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
Java Settlers
A synchronisation component for p5.js
Build Cross-platform Applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Event driven concurrent framework for Python
3D .NET engine for Windows, Linux, Mac
Mahasona engine is an open source game engine.
Free strategy browsergame engine.
Cross-platform C framework very compact libraries and tools.
a game library to develop audio games
AutoTeach makes kids study and learn in exchange for internet access.
Modular Gaming Open Source Persistent Browser Based Game Framework
Open source network game service