Cdw - cdw: ncurses interface for GNU/Linux command line CD/DVD tools
Roundcube - Web-based IMAP email client
CompuCom - Technology Solutions for the Digital Workplace
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Sirius - An open-source clone of Siri from UMICH
Mailpile - Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.