Unity / XNA game patcher and plugin framework
A beautiful, easy-to-use and ad-free comic and game client
MAME is a multi-purpose emulation framework
Pterodactyl® is a free, open-source game server management panel
Native Android app for Habitica
Entity Component System (ECS) framework made for C# and Unity
A lightweight game server framework implemented with Actor Model
Flexible, extensible, and scalable video game matchmaking
An MVVM & Databinding framework that can use C# and Lua
Open-source full-stack web development framework built on top of React
UI Automation Framework for Games and Apps
Cerberus Content Management System
Support for legacy OpenGL in core profiles
Cross platform SDK
ALFOUR Programming language. Simple, safe, power, multi-platform.
A complete framework for Godot to create beautiful and complex AI
a 2D Game Development Framework
Source code for chinese-dos-games-web
Asphyre is a cross-platform framework for Delphi and FreePascal.
Lightweight framework for old-school RPG GUI in web!
3D .NET engine for Windows, Linux, Mac
Make robots for MediaWiki-powered sites!