MenuMeters for El Capitan

This is a port to OS X El Capitan 10.11 of MenuMeters by Alex Harper. MenuMeters is a set of CPU, memory, disk, and network...

Free Open Source Mac

XRG

XRG is an open source system monitor for Mac OS X. XRG allows you to monitor CPU activity, memory usage, battery status, machine temperature, network activity, disk I/O...

Free Open Source Mac

BitBar

The BitBar app lets you put the output from any script or program right in your Mac OS X menu bar. And it's completely free. An impressive number of plugins have...

Free Open Source Mac

Activity Monitor

Activity Monitor displays information about all the processes running on your Mac, including CPU, disk, memory, and network usage. You can see exactly how your...

Free Mac

Macs Fan Control

Every model of iMac, MacBook (Pro/Air), Mac mini, Mac Pro is supported! Real-time monitoring of fans speed and temperature sensors

Free Mac Windows

iPulse

Using its concise and appealing user interface, iPulse graphically displays the inner workings of OS X on your desktop, menu bar or Dock.

Commercial Mac

Atmonitor

Mac OS X System Monitor and Process Explorer Tool atMonitor is the most advanced monitoring tool for Mac OS X that displays system activity in real-time. It is designed...

• Discontinued The official website is no longer available. Last version, 2.7.1, released on August 2012, can be still downloaded from Wayback Machine.

Free Mac

smcFanControl

smcFanControl is the perfect application for all those Macbook owners getting burned by their hot-running Macbook. This Mac application allows you to control the speed...

• Discontinued The program seems to be no longer updated. Last version, 2.6, released in October 2016, can be still downloaded from the official website.

Commercial Mac

DriveDx

DriveDx is advanced drive health diagnostic and monitoring utility. Unlike most drive utilities, DriveDx does not only monitor the drive’s built-in S.M.A.R.T. status...

Commercial $ $ $ Mac

MiniUsage

MiniUsage displays various data like CPU usage, amount of network flow, battery status and process names which uses much CPU time in a menubar. It takes little space and...

• Discontinued The program seems to be no longer updated. Last version, 3.0.0, released in April 2015, can be still downloaded from the official website, but it doesn’t work on macOS 10.13

Free Mac

Nerdtool

NerdTool is a GeekTool-like application that displays information directly on your desktop.

Free Open Source Mac

StatsBar

Easily Monitor Your Mac's System Stats. With StatsBar, you get a comprehensive and detailed analysis of the following areas of your Mac: 1. CPU Usage 2....

Commercial $ $ $ Mac

SSD Fan Control

Fixes fan noise issues with iMacs, Gives you full control, Easily configurable, Supports SMART temperature info, Totally free.

Free Mac

Systempal

SystemPal is becoming an ALL-IN-ONE app. It is the best tool to monitor your memory/CPU usage status, CPU temperature and fan speed, network speed. It also provides a...

Commercial Mac

remote linux monitor

The Remote Linux Monitor's graphical user interface is similar to and inspired by Gnome's System Monitor. All connections are made using a secure shell and there...

Free Open Source Mac Windows Linux BSD