Enjoy safe, fast and easy email, Mozilla-style. The Thunderbird email client includes intelligent spam filters, powerful search and customizable views.

Take control of your day with Postbox’s clean and super-customizable interface. Make your email work for you, just the way you need it to.

Web-browser, advanced e-mail and newsgroup client, IRC chat client, and HTML editing made simple.

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

All your email in one place.

Free, standards-based electronic mail client suitable for use by single or multiple users on single computers or network.