Thunderbird
4.0 ex 5 stellis (secundum recensiones 2)
Mozilla Thunderbirds libera et aperta fons crucis suggestus electronicus cliens, personalis notitia
Tag: XMPP client
Constans esto
5.0 ex V stellae (secundum recensionem I)
A fully-featured XMPP client – Connect to your contacts using a server of your choice.