Eclipse Grizzly

Grizzly web server framework has been designed to help developers to take advantage of the Java non-blocking I/O (NIO) API. Grizzly's goal is to help developers to build scalable and robust servers using NIO as well as offering extended framework components: web framework (HTTP/S), WebSocket, Comet.

Overview
The Core Framework of Grizzly includes
 * Memory Management
 * I/O Strategies
 * Transports and Connections
 * FilterChain and Filters
 * Core Configuration
 * Port Unification
 * JMX Monitoring

HTTP components include
 * Core HTTP Framework
 * HTTP Server Framework
 * HTTP Server Framework Extras
 * Comet
 * JAXWS
 * WebSockets
 * AJP
 * SPDY