A web-based IDE for HTML5 game development. Powered by Phaser
Native Android app for Habitica
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Cross platform SDK
A complete framework for Godot to create beautiful and complex AI
a 2D Game Development Framework
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
StarlingPunk is a framework built on top the Starling library
A C++ Implementation of the MIT OpenBlocks Java Code