InfoWorld has published a great review of Free remote access tools for Windows and Mac.
With a remote access tool, your office computer can be reached from home, your home computer can be reached from the office, and both can be reached wherever else in the world you happen to be.
The tools reviewed are:
DESKTRA Freedom Desktop 1.1
LogMeIn Free Edition
Remote Desktop Connection
WinRemotePC 2009 Lite
And the full article can be read at: