Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
becky! internet mail is an email client for windows os. becky! internet mail supports pop3, imap and s/mime as well as...
becky! internet mail is an email client for windows os. becky! internet mail supports pop3, imap and s/mime as well as openpgp via addons.
portable email-client imap pop3 smime pgp gpg smtp
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
There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.
Free Mac OS X iPhone iPad
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
Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features Extensibility ...
Free Open Source Windows Linux BSD Xfce
Newton is a fully featured mail client available for Android, iOS, macOS and Windows. Works for watch too. It's based on cloud so you can connect it to any account and get fast search, push notifications, read receipts (PREMIUM), etc .
Commercial Mac OS X Windows Android iPhone Android Tablet iPad Windows RT Apple Watch
Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.
Free Windows