Cdw - cdw: ncurses interface for GNU/Linux command line CD/DVD tools
HEY - Email at its best, new from Basecamp.
CompuCom - Technology Solutions for the Digital Workplace
InstAddr - Disposable email address application.
Sirius - An open-source clone of Siri from UMICH
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.