iStat Mini

iStat Mini is a mini system monitor for your Mac. iStat Mini is a compact way to keep an eye on your CPU, memory pressure, disk usage and network activity. Simply slide out OS X Yosemite's Notification Center to glance at the stats, then slide it back again to free up your workspace.
Price USD 1.99
License Purchase
Version 1.1
Operating System Macintosh, Mac OS X 10.10, Mac OS X 10.11, macOSX (deprecated)
System Requirements None