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