1)   power Informer XP 2 v3.0
Powerful tool for monitoring system activity with rich Graphic User Interface. It is very easy to use and it is very useful tool for professional, because that can quickly acces to all system information, but also it is very useful for beginers.

 2)   PatchBase 1.6
Your personal software knowledgebase. Organize all your installed software's related info (as example, key codes, install/deinstall notes, patches data, patch-utility, upgrades and mode) into tree-like database with many capabilities.