A web-based IDE for HTML5 game development. Powered by Phaser
Phaser is a free and fast 2D game framework for making HTML5 games
LÖVE is an awesome 2D game framework for Lua
Phaser CE is a fun, free and fast 2D game framework
Native Android app for Habitica
the java game and entertainment runtime
Arianne is an engine to develop multiplayer online games like Stendhal
A Rust framework for building Minecraft servers
Plugin pack for making 2D games with Bevy
Open-source, cross-platform, game-development tools
Build Cross-platform Applications
MMORPG
A Flash Molehill (Stage3D) GPU accelerated 2D game engine
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
Cross platform 2D game creation framework with Python bindings