GNU ed is an openly developed and clean implementation of the POSIX line-oriented text editor; full-screen editors like GNU Emacs or GNU Moe have rendered ed mostly a novelty.
QConsole is a Bluetooth server for Symbian devices, and a Linux and Windows terminal client; using the built in BlueTooth support on Symbian devices, etc.
ADM (Asterisk Desktop Manager) integrates the desktop with the Asterisk PBX and hardware IP phone; providing some useful features such as automatic on-call volume reduction, etc.