email app

Connect Apple Mail email to friends' Facebook profile pictures.

Pull together all your personal and work email accounts into one place.

Modify outgoing email.

Portable Thunderbird OS X is the popular Mozilla Thunderbird email client.

It periodically checks your IMAP server for new email

Notifies you when a sent email has been read.

Print/email a directory listing of a certain folder.

Notify is an awesome email notifier for Mac OS X.

Optimize your Mac, fix slow performance, scan for malware, fix app errors.

Desktop app for Gmail (was DeskMail).