RealVNC Free Edition 4.5.1
VNC – the original cross-platform remote control solution
RealVNC provides remote control software which lets you see and interact with desktop applications across any network.
Compatibility with Free Edition: Windows NT 4, 2000, XP, Server 2003 and UNIX (Linux, Solaris, HP-UX)
VNC is available for general use under the conditions of the GNU General Public License.
Download: RealVNC Free Edition 4.5.1