A web-based IDE for HTML5 game development. Powered by Phaser
Phaser is a free and fast 2D game framework for making HTML5 games
Framework to facilitate communication in the Unity game engine
Completely customizable framework for building rich text editors
Simple and powerful Unity3d game workflow!
A framework to build Pokémon RPG games
Unity / XNA game patcher and plugin framework
Pterodactyl® is a free, open-source game server management panel
Plugin driven WYSIWYG markdown editor framework
Apache NetBeans
The headless editor framework for web artisans
Create Minecraft bots with a powerful and high level JavaScript API
Lexical is an extensible text editor framework
Lightweight modular front-end framework for developing web interfaces
A vi-like editor based on Plan 9's structural regular expressions
Godot game template and component-based framework
A lightweight game server framework implemented with Actor Model
Drag and drop website builder javascript library
BizHawk is a multi-system emulator written in C#
Build cross-platform desktop apps with JavaScript, HTML, and CSS
MAME is a multi-purpose emulation framework
FastAPI framework, high performance, easy to learn, fast to code
Cloud Commander file manager for the web with console and editor
A lightweight online game framework
3D game engine/framework in C, with Luajit and Python bindings now