UltraVNC is a client is also a server, you can use TCP / IP connection to control another computer.
It can be used in W9x/NT/2K/XP, including possession of automatic settings, friendly user interface, global hot keys, file transfer, and other internal functions. In addition, it is free of charge, the speed is very good. UltraVNC may be the fastest remote control software. You can travel to visit your home computer, dealing with general found fault or network connection.

Changes in UltraVNC 1.0.5.3:- Added settings editor (as seperate application)
- Added option to preset prim/sec/both desktops as default
- Terminal service dependency removed
download:UltraVNC 1.0.5.3 Stable