name, url, language, country
Mumble, https://www.mumble.info/index.xml, en-US, Worldwide
Jitsi, https://jitsi.org/feed/, en-US, Worldwide
Kaidan, https://www.kaidan.im/atom.xml, en-US, Worldwide
Dino, https://dino.im/index.xml, en-US, Worldwide
Gajim, https://gajim.org/index.xml, en-US, France