File Access Monitor monitors access to your files and provides a detailed history of who read, wrote or manipulated them.
File Access Monitor can be used on a file server to track network users activity, as well as on a local computer where it will track local users file access. It is similar in nature to Windows auditing features yet is much easier to use and provides flexible reporting capabilities and notifications.
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.