
Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Mutt is a small but very powerful text-based mail client for Unix operating systems.
Mutt is a small but very powerful textbased mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including listreply, active development community, POP3 support, IMAP support.
Support for IMAP POP3 Support Command line interface S/MIME support
Productivity Utilities Online Services
imap-support email-client imap pop3 xfce command-line-interface command-line nntp s-mime-support
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Free Open Source Windows Linux BSD Mac Haiku
Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as Atom and RSS feeds.
Free Mac OS X Windows
becky! internet mail is an email client for windows os. becky! internet mail supports pop3, imap and s/mime as well as...
Commercial Windows S/MIME OpenPGP
Scribe is a small and fast email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international...
Freemium Mac OS X Windows Linux Haiku