This is a very, very and very simple inventory tool. But can be very useful on sbc environments. This script checks the list of applications on Add/Remove Programs of each server, and writes a result in a table inside a html file. Then, you can compare if all servers has same software installed or same updates!
To have a reliable Citrix or Terminal Services environment, you need ensure that all servers on each silo are equal, to all users get same applications, updates, etc.