
Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface.
geary is a lightweight email program designed around conversations and built for the gnome desktop.
it's designed to let you read your email quickly and effortlessly. its interface is based on conversations, so you can easily read an entire discussion without having to click from message to message.
geary is written in vala .
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 fullfeatured html mail composer fast keyword search desktop notification of new mail
email-client gnome-integration
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
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