* Windows: [http://realvnc.com RealVNC], [http://www.uvnc.com UltraVNC], [http://www.tightvnc.com TightVNC]
* MAC: [http://cotvnc.sourceforge.net/ Chicken of the VNC]
* For Linux, you have the vncviewer package, available in most, if not all distros. For Fedora 12, do the following as [Open_Terminal_as_root|'''root''' ] user:
yum -y install tigervnc