Thunderbird
4.0 out of 5 stars (based on 2 reviews)
Mozilla Thunderbird is a free and open-source cross-platform email client, personal information
פאַרבינדן: XMPP client
Gajim
5.0 פון 5 שטערן (באזירט אויף 1 רעצענזיע)
A fully-featured XMPP client – Connect to your contacts using a server of your choice.