Terminal Service Plus 3.10.00.80
Easy to use, TSplus is reliable, scalable, unexpensive and runs on XP, Vista or Small Business Server. TSplus includes features such as remote application access, seamless windows, load balancing, remote file transfer, Universal Printer.

Radmin Remote Control 3.2
Radmin is fast, secure remote control and remote access software, which includes multi-user text and voice chat, file transfer, Windows Vista support, Windows security support, telnet access, multiple monitors support, various connection modes, etc.

Remote Desktop Control 2.1
Remote Desktop Control allows you to control any remote computer from another computer. Imagine, you can work on your office computer right from your home computer without leaving the house! You won't even have to leave your cozy chair.