Alternatives to iStat Menus for Mac with any license

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...
- simple, free, opensource, no fuss. jpsm • May 2017
Free Open Source Mac
CPU temperature Network Monitoring Temperature Monitoring Hardware Monitoring ... System Info Add a feature

18 Like
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
Memory usage Network Monitoring Process Monitoring System Info Add a feature

10 Like
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
Display info on the menubar Hardware Monitoring Add a feature

9 Like
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
Hardware Monitoring Support for S.M.A.R.T. data Add a feature

19 Like
Stats

Stats is a application which allows you to monitor your macOS system. - CPU Usage - Memory Usage - Disk utilization - Sensors information...
- It does everything Istat Menus does and does it in a cleaner way Guest • Aug 2020
- It provides many of the same features and is open source brucelgrubb • Aug 2020
Free Open Source Mac
Hardware Monitoring Add a feature

2 Like
Macs Fan Control

Control fans on Apple computers • Real-time monitoring of fan speeds and temperatures • Solve noise problems such as those caused by iMac HDD replacement • Solve...

Commercial $ $ $ Mac
Automated speed adjustments Fan speed control Add a feature

7 Like
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
Hardware Monitoring Memory usage Network Monitoring System Info Add a feature

7 Like
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...

Free Personal Open Source Mac
Fan speed control Picture sharing Add a feature

17 Like
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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
Hardware Monitoring Network Monitoring Add a feature

6 Like
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
Hardware Monitoring Add a feature

19 Like