A game framework written with osu! in mind.
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
A simple and easy-to-use library to enjoy videogames programming
Open Source MMORPG Framework
Open game and rendering engine packed into a JavaScript framework
Self-hosted CMS platform based on the Laravel PHP Framework
Unity3D Client And C# Server Framework
ThinkPHP Framework
Open source library for creative expression on the web, desktop, etc.
CTFs as you need them
lua dev plugin for unreal engine 4 or 5
Reusable code for building video games with Jogamp NEWT
TX Library is a tiny graphics library for Win32 written in C++.
OgreWin3D
Old-school 2D game engine
JavaScript framework to build game engines, games, emulators and apps
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Molecular viewer and prototyping framework
Utility for viewing ZX Spectrum emulator snapshot files.
Small lightweight program to customize your keyboard
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.