XBMC Blastdav is a simple WebDAV-like server for streaming content to XBMC. It works through proxies and tunnels, and even streams smoothly from a Raspberry Pi.
AustenX is a parser (code) generator for Java. It builds parsers based on a Parsing Expression Grammar framework.
Groupware that lets you share projects, calendars, files, and email online.
An application for tagging your files and navigating them as a virtual filesystem.