SwissKnife9 is a freeware application by SymbianGeek for Nokia S60 3rd Edition based mobile devices. This application can display the following information regarding your Nokia S60 mobile device:

-Process List
-Task List
-Hardware information- CPU, RAM, ROM, Screen specs, Startup reason, etc

While the above type of information is also displayed by other task manager/system information utilities, this application displays an additional type of information that of MIME types associated on your mobile device such as audio or video 3GPP/MP4, etc.

Download Link (Rapidshare)

Note: This application is currently unsigned. So you may need to follow the instructions mentioned at GoSymbian to Symbian Sign this utility