Email client : MUA

An email client (or MUA as in mail user agent) is a computer program that is used to read and send email.

Here is a list of some widely used email clients, in alphabetical order by operating system.

Mac OS:

• Eudora
• Gnus (GPL)
• Netscape Messenger[?]
• Microsoft's Outlook and its cut-down version, Outlook Express
• Microsoft's Entourage[?]
• Mail[?] (Provided with Mac OS X)
• Pine
• Thunderbird (formerly Minotaur), the stand-alone client derived from the Mozilla browser suite

Microsoft Windows:

• The Bat
• Eudora
• Gnus (GPL)
• Incredimail
• M2, the client in the Opera web browser
• Netscape Messenger[?]
• Microsoft's Outlook and its cut-down version, Outlook Express
• Pegasus
• Pine
• Blueprint PMMail
• Thunderbird (formerly Minotaur), the stand-alone client derived from the Mozilla browser suite

Unix/Linux:

• Elm
• Evolution[?] (GPL)
• Gnus (GPL)
• Kmail (GPL)
• Mutt (GPL)
• Netscape Messenger[?]
• Pine
• Sylpheed (GPL)
• Thunderbird (formerly Minotaur), the stand-alone client derived from the Mozilla browser suite

Palm OS:

• Eudora

Pocket PC:

• Pocket Outlook[?]