Very spicy additions to the Java programming language.

Multicast DNS Library for Java

Java NIO framework

A simple, fast and lightweight RSS and ATOM parser written in Java for real world feeds

An alternate Java IO library

CalDAV Implementation

Non blocking IO, Actors and a splash of compile time bondage and discipline

Java HTTP Stack

A more relaxing way to use Couchdb in Java

premature optimization is the root of all evil -- knuth

Mixing web services in Java

manhattan

Simple Nonblocking API for XML

Simple XML Transformation Library