Gobby is a free collaborative editor. This means that it provides you with the
possibility to edit files simultaneously with other users over a network. It
supports multiple documents in one session and a multi-user chat. The platforms
on which you could use Gobby are so far Microsoft Windows, Linux, Mac OS X and
other Unix-like ones. Developed with the Gtk+ toolkit it integrates nicely into
the GNOME desktop environment if you want it to.