The best Email Client alternative to GNU IceCat is SeaMonkey, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to GNU IceCat and three of them are Email Clients so hopefully you can find a suitable replacement. Other interesting Email Client alternatives to GNU IceCat are Iceape-UXP and Zimbra Desktop.
Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
Germany
EU
Historically, Iceape was a re-branding of SeaMonkey by the Debian project. However, Debian discontinued Iceape in December 2013 citing security concerns and lack of a maintainer.
The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having them locally accessible when on the road.
United States
Brazil
