We have already seen SUMo to find and update to latest version all software installed on the computer. AppGet is a cool utility to automatically update all the software on the computer.
After the install, this utility scans whole system for installed software and makes a reference list. Software list is then compared with online database at Appget website.
Whenever an update is found, it is shown in red and can automatically download / install software updates on your computer. As the online appget database expands, more software on your computer can be auto-updated.
Download AppGet, it is completely free and works fine with Windows 2000, XP and Vista. It does has some issue working with Vista 64 bit