The SMS thing? It's basically just an Android app (gtalksms [1]). But I wanted a private encrypted network to control it from (I actually go further and then hook the XMPP server into bitlbee which is an IRC server for IM clients. So now I can control my phone, Twitter, Facebook Chat and Windows Messenger all from Irssi.

[1] http://code.google.com/p/gtalksms/