Roundcube - Web-based IMAP email client
Hermes - Pandora Client for OS X
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Mailpile - Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
pianobar - “pianobar” is a free/open-source, console-based replacement for ...