•Arachne •Balsa •Citadel/UX •Classilla •Claws Mail •Columba •Cone •Cronos II •Elm •Evolution •fetchmail •getmail •GNUMail •Gnus •Gnuzilla •IMP •KMail •Mahogany •Mailpile •Mailx •Mailx (Heirloom Project) •Modest •Mozilla Thunderbird •Mulberry •Mutt •nmh / MH •OfflineIMAP •Roundcube •SeaMonkey •sendEmail •SquirrelMail •Sylpheed •Trojitá •Wևerlust •YAM
•eM Client •EmailTray •Foxmail •Inky •i.Scribe •Mailbird •Opera Mail
•Bloomba/WordPerfect Mail •IBM Notes •InScribe •Microsoft Outlook
•Eureka Email •Forté Agent •Gemini •Pocomail
•BlitzMail •cc:Mail •Claris Emailer •Columbia MM •Courier •Cyberdog •Cyberjack •Eudora •Hula •Mailody •Microsoft Entourage •Microsoft Internet Mail և News •MINUET •Mozilla Mail & Newsgroups •Netscape Mail •Netscape Messenger 9 •NeXTMail •Omni Mobile •Outlook Express •Pine •POPmail •Sparrow •Spicebird •Turnpike •Windows Mail
•IMAP •POP •Push-IMAP •SMAP •SMTP
• Comparison
