different messages

Free software to send free SMS (and MMS) messages from your Mac

Add cards in Address Book from selected Mail messages.

A plugin for Apple Mail that shows messages

It lets you send/receive messages instantly and participate in chats.

It can monitor newsgroups on several different servers, and download many files.

Conversion tool in different units.

Quickly send messages to your Adium contacts.

HTTP Client is a debugger tool for HTTP messages

An utility for just showing the different pictures from one picture file.

Browse and backup your Entourage messages.