Displays Apple Mail's unread count in menu bar.
webmail & calendaring service supports iCal, POP, IMAP
Check multiple Gmail accounts at specified intervals.
Manage your e-mails, calendars, and contacts and sync with Gmail, Outlook.com or any other service.
Converts web-based e-mail interfaces to POP3 for use with local e-mail clients.
(OE) email client/newsreader
Bounce e-mail filtering and handling tool.