Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
pantheon mail is a free open source email client forked by the elementary os community from geary...
pantheon mail is a free open source email client forked by the elementary os community from geary .
features
modern and straightforward interface quick account setup supports gmail, yahoo! mail, outlook.com, and popular imap servers (dovecot, cyrus, zimbra, etc.) mail organized by conversations ability to answer directly in conversations or open it in a separate window signature fullfeatured html mail composer fast keyword search with values like from:john desktop notification of new mails
email-client multiple-account-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
Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
Commercial Mac OS X Windows Android iPhone Android Tablet iPad Web Windows Phone
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
EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.
Freemium Windows Android iPhone
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
KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE.
Free Open Source Mac OS X Windows Linux BSD