Barry is an Open Source application that provides a Desktop GUI, synchronization, backup, restore, program management, and raw channel support for BlackBerry devices.
SisIYA is a system administration and monitoring tool. You can monitor your Linux, Unix, Mac OS X, and Windows machines, switches, Airports, printers, UPSs, power switches, etc. Main development is done on Linux.
A text-to-speech GTK+ frontend for eSpeak and mbrola.
A CalDAV Web client.