Vibe has been renamed to Cettia and is no longer maintained!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.

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