outlook mail

MailFX is a notifier which replaces (or complete) the sound warning of Mail OSX.

Export new Mail.app message to iCal calendars.

Export Mail.app message to iCal ToDo list.

Add cards in Address Book from selected Mail messages.

Scalable E-Mail and list server for Mac OS X.

A plugin for Apple Mail that shows messages

IMAPCheck is a bundle for Mail.app

Plugin for Mail.app takes advantage of widescreen monitor.

A new open-source mail client for Mac OS X.

MailServe sets up a totally buzzword-compliant mail server on Mac OS X.