Main Page | See live article | Alphabetical index 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 Outlook and its cut-down version, Outlook Express Microsoft 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) Novell's Groupwise Incredimail M2, the client in the Opera web browser Netscape Messenger Microsoft's Outlook and its cut-down version, Outlook Express Pegasus Mail Pine Blueprint PMMail Thunderbird (formerly Minotaur), the stand-alone client derived from the Mozilla browser suite Unix/Linux: Elm Elmo (GPL) Ximian Evolution (GPL) Gnus (GPL) Kmail (GPL) Mutt (GPL) M2, the client in the Opera web browser (as of Opera 7.21 also available for Linux) Netscape Messenger Pine Sylpheed (GPL) Thunderbird (formerly Minotaur), the stand-alone client derived from the Mozilla browser suite Palm OS: Eudora Palm VersaMail (Included with the Tungsten series of handhelds and the Zire 71 handheld) Pocket PC: Pocket Outlook This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.