Flexible, extensible, and scalable video game matchmaking
Phaser is a free and fast 2D game framework for making HTML5 games
Pterodactyl® is a free, open-source game server management panel
Unity / XNA game patcher and plugin framework
A web-based IDE for HTML5 game development. Powered by Phaser
A lightweight game server framework implemented with Actor Model
A lightweight online game framework
A fast and reliable entity component system (ECS) and much more
3D game engine/framework in C, with Luajit and Python bindings now
BizHawk is a multi-system emulator written in C#
Godot game template and component-based framework
Simple and powerful Unity3d game workflow!
Native Android app for Habitica
egui: an easy-to-use immediate mode GUI in Rust
LÖVE is an awesome 2D game framework for Lua
Framework to facilitate communication in the Unity game engine
A beautiful, easy-to-use and ad-free comic and game client
A framework to build Pokémon RPG games
Multiplayer Framework for Node.js
An MVVM & Databinding framework that can use C# and Lua
Phaser CE is a fun, free and fast 2D game framework
UI Automation Framework for Games and Apps
Drogon: A C++14/17/20 based HTTP web application framework
Powerful, fast and developer-friendly extension framework
The repository for MonoTorrent, a bittorrent library for .NET