Tweet Tray - Tweet quickly from your desktop without any distractions.

Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.

Typefully - Write & publish great tweets, without distractions

imapsync - Console-based utility for migrating IMAP mailboxes.

Minimal Twitter - A distraction-free browsing experience for the new Twitter

Gmvault - Backup the emails in your Gmail account.