Here is a list of other well known services you can try out. Make sure you check their configuration for their server names, and port numbers.

• jabber.calyxinstitute.org
• creep.im
• thesecure.biz
• xmpp.jp
• jabber.hot-chilli.net
• jabber.otr.im
• chinwag.im
• jabb.im
• jabberes.org
• jabb3r.org
• conversations.im
• jabber.de
• kode.im