Thunderbird is a free, open source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client developed by the Thunderbird community, and previously by the Mozilla Foundation.
Thunderbird is a free, open source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client developed by the Thunderbird community, and previously by the Mozilla Foundation.