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I would like to monitor CPU and memory usage in realtime with charts on a macOS system tray (menu bar). Is there a utility that provides such functionality?

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10 Answers 10

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MenuMeters is popular among the Mac users I know.

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  • Since I may come across people here who may have used MenuMeters, I would like to ask whether it is stable in terms of memory leaks and crashes.
    – ayaz
    Mar 13, 2011 at 5:28
  • @ayaz - You should ask this as it's own question
    – cdeszaq
    Nov 25, 2012 at 19:57
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    Doesn't work with El Capitan.
    – Restuta
    Oct 16, 2015 at 20:19
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    It's free and open source and there's a fork that DOES work with El Capitan, @Restuta
    – WHO's NoToOldRx4CovidIsMurder
    Nov 16, 2015 at 8:11
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    The fork for El Capitan is here member.ipmu.jp/yuji.tachikawa/MenuMetersElCapitan
    – user454322
    Mar 7, 2016 at 5:01
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For OS X 10.11 or later, use this fork of MenuMeters: http://member.ipmu.jp/yuji.tachikawa/MenuMetersElCapitan/

(Open the .prefPane file by Ctrl clicking and selecting Open.)

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iStat Menus is an app by Mac / iOS developers Bjango, but it's not free ($16).

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I also have the same needs but many such softwares are not free, thus I made one myself. Feedback is welcome.

https://github.com/ningt/iStats

enter image description here

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    Cloned and run, which was fairly straight forward (minor hick-up having to upgrade node). However, even though the new version has an updated icon, it doesn't show the CPU status in the system tray at a glance, and requires clicking through.
    – Daniel Gerson
    Sep 29, 2018 at 11:35
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This is an old questions, but newcomers might be interested in Übersicht. This allows you to display the information on the desktop, not the menu bar, much like in Conky.

Übersicht uses HTML5 web technology, so has a very modern feel to customize.

Übersicht screenshot

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iStat Menus 5 now has a free version and works well for monitoring all kinds of system stats, including CPU and memory.

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    It's not free - it's only a 15 day trial version.
    – Pierz
    Sep 7, 2018 at 16:15
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enter image description here

Übersicht allows for creation of conky-like widgets using coffeeScript. coffeeScript uses HTML. So, display options, such as text size, font and opacity of the background are easily set. The widget sits in front of the background image, but behind any desktop items. Übersicht has many user contributed, downloadable widgets.

I created a conky-like widget for Mac and OS X using Übersicht: https://github.com/dumbo25/conky-for-mac

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I recommend SystemPal which is available on Mac App Store.

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The iPulse program has been doing this since 2002.

It is recently updated for the Mac App Store and El Capitan and also works on older OS.

It's menu centric, dock centric and/or HUD style visualizations so you can choose exactly what and how you monitor the system performance.

enter image description here

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I recommend app called CheckMyMac

http://www.nomasoftwares.com

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