Burp is a program to backup and restore data. It uses librsync in order to save on the amount of space that is used by each backup. It also uses VSS (Volume Shadow Copy Service) to make snapshots when backing up Windows computers.
Bareos (Backup Archiving REcovery Open Sourced) is a fork of the backup project from bacula.org. It has been in development since late 2010, and has many new features.
Voice chat for gamers.
A data recovery tool.