Pluto is a highly refined and customizable at-a-glance system monitor for your Mac. Keep track of what's going on behind the scenes without dropping what you're currently doing.
Cost / License
- Paid
- Proprietary
Platforms
- Mac




SpeedFan is described as 'Program that monitors voltages, fan speeds and temperatures in computers and controls the fans if possible' and is a very popular system information utility in the system & hardware category. There are more than 50 alternatives to SpeedFan for a variety of platforms, including Windows, Mac, Linux, Flathub and Flatpak apps. The best SpeedFan alternative is Libre Hardware Monitor, which is both free and Open Source. Other great apps like SpeedFan are FanControl by Rem0o, iStat Menus, Argus Monitor and Sidebar Diagnostics.
Pluto is a highly refined and customizable at-a-glance system monitor for your Mac. Keep track of what's going on behind the scenes without dropping what you're currently doing.




Track Mac fan speed, target speed, minimum and maximum speeds, number of fans, and CPU or GPU temperature in real time from the Notification Center or Menu Bar using a compact widget designed to provide hardware stats without workspace clutter.

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

YAFI is another GUI for the Framework Laptop Embedded Controller. It is written in Python with a GTK4 Adwaita theme, and uses the CrOS_EC_Python library to communicate with the EC.




SysMetrix is a skinnable clock and metering application. Its purpose is to provide system metrics in a variety of interesting, useful, and cool ways. It can monitor and report on the hundreds of statistics


CoolBook is a tool for the MacBook, MacBook Air and MacBook Pro computers. It lets you monitor the frequency, voltage and temperature of the CoreDuo / Core2Duo CPU.

DHE DriveInfoshows HDD information: Manufacturer, Product ID, Serialnumber, Firmware, ATA-Standard, BUS Info (S-ATA 150/300/600, P-ATA, USB, SCSI), Size, Buffer Size, Rotation Rate, Formfactor, Features, AAM, APM, Master Boot Record, Disk ID, Bootloader


Using a database, it will show information about your SSD, such as the controller, processing tech, NAND type etc.




Active@ Hard Disk Monitor is a disk utility that checks and monitors the status of your hard drives to help prevent data loss. The system is based on the Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.).




A magical creature lives in your menu bar — it might be a game character, a playful puppy, or something entirely unique. And it never stops running!




Wattage is an application designed for monitoring the health and status of your power devices. It displays quick data regarding battery capacity, energy metrics, and device information through a clean, modern GTK 4 + libadwaita interface.



Digital Sauna is a lightweight temperature monitoring tool. It displays real-time CPU, GPU, and hardware temperatures in a clean, modern interface, helping you monitor system health, detect overheating, and protect your computer.


