Vibe has been renamed to Cettia and is no longer maintained! Use Cettia. ×
flowersinthesand wrote Vibe 3.0.0-Alpha12 released on February 5, 2015.

Vibe Java Platform is a simple A abstraction layer B for full-stack web application frameworks C and raw web servers D running on Java Virtual Machine.

A
All interface you need to know is ServerHttpExchange and ServerWebSocket. Indeed.
B
An application based on Vibe Java Platform can run on any supported platforms seamlessly.
C
For example, Play, Spring MVC and Wicket.
D
For example, Servlet, Vert.x. and Netty.