MiStat keeps an eye on all your Mac's vitals, including CPU, memory, disk usage, disk activity and network activity. View graphical histories for CPU, memory, network and disk activity. MiStat is a great way to monitor the inner workings of your Mac and is built on mature code that's been road tested for over 5 years by millions of satisfied users.

Version 1.3:

• Fixed a bug in the processes section.
• Time Machine backups disk is now hidden in Disks Usage.

Requirements

Mac OS X 10.6 or later

*Previously available here