Always been wondering what your PC is doing? Why it keeps making noises without doing anything...? Now it's time to find out! With MCO (Memory and CPU Observer) installed you can always see what your Processor does, how much RAM is being used and what percentage of your pagefile is stuffed with data! And since version 2.0 you can also see what your upload and download speed is and what's going on on your hard disk(s)!
CrystalDiskInfo is an Open Source utility that monitors and displays the health of your hard drive, including basic information, S.M.A.R.T. values, and disk temperature. Also available as a portable version.
PRTG - Free Network Monitor is a network monitoring solution that ensures the availability of network components while also measuring traffic and usage.
CrystalDiskInfo Portable is an Open Source utility that monitors and displays the health of your hard drive, including basic information, S.M.A.R.T. values, and disk temperature. Also available as an installer.
Wireless Network Watcher is a small freeware monitoring tool that quickly scans your wireless network and then lists all the computers and devices that are currently connected.