Grdc is a remote desktop client based on GTK+ and GNOME.

The Grdc main program:

 * A pure GTK+ 2.0 application!
 * Maintain a list of remote desktop files for most frequently used servers
 * Make quick connections by directly putting in the server name
 * Remote desktops with higher resolutions are scrollable/scalable in both
   window and fullscreen mode
 * Viewport fullscreen mode: remote desktop automatically scrolls when the
   mouse moves over the screen edge.
 * Floating toolbar in fullscreen mode, allows you to switch between modes,
   toggle keyboard grabbing, minimize, etc.
 * RDP protocol is supported by rdesktop; VNC protocol is supported by
   libvncclient; SSH tunneling is supported by libssh.

WWW: http://grdc.sourceforge.net/