Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers, desktops and mobile devices.

Cocos2d for iOS and OS X, built using Objective-C

Vert.x is a tool-kit for building reactive applications on the JVM

Vert.x 2.x is deprecated - use instead

Netty project - an event-driven asynchronous network application framework

Xcode plugin for Vim keybindings