MenuMeters for Mac
MenuMeters is a open-source benchmark of CPU, memory, hard drive disk, and wired/wireless network usage monitoring tools for MacOS X.
App name: MenuMeters 1.9.2
App description: Tools
App website: http://www.ragingmenace.com
The good: Free to use
The bad: MenuMeters cannot be used on Mac OS 10.11
Updated: October, 22 2017