pymucl is a MUC client for telepathy, especially aimed at Maemo 5. There are MUC clients in the repositories but none of them uses the accounts already available on Maemo.
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The functionality of the perl implementation is the following: First it will listen on a file system FIFO and send every line to the given XMPP/Jabber account(s). Second it will update the XMPP/Jabber presence information every 60 sec. by the latest system load and free memory values. Using syslog-ng it is now easy to send specific system messages to your XMPP/Jabber account :)
liste von jabber/xmpp servern
bidirectional XMPP gateway to the Twitter microblogging platform
jabber chat interface to identi.ca