Computer Software
Here is a short list of some PC Software you might find useful.
You will have to hunt down the software yourself if you intent on trying/using it, you download and use at your own risk. Google is a good way to find the software.
Web browser - Mozilla Firefox
Music Player - AIMP
System Cleaning tool - CCleaner
Office package (free version and similar to MicroSoft Office) - OpenOffice
Automatic shut down - Slawdog Smart Shutdown
Firewall - COMODO Firewall
Anit-Virus - AVG
Download Manager - DAP