The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.
- - Open Hardware Monitor is the most popular Windows alternative to xScan.
- - Open Hardware Monitor is the most popular Open Source & free alternative to xScan.
Open Hardware Monitor FeaturesDiscontinued
There has not been any code change since December 2020, also the community now wonders if it is abandoned: https://github.com/openhardwaremonitor/openhardwaremonitor/issues/1471 There also seems to be a fork called LibreHardwareMonitor (which is already listed as an alternative) and appears to be the most active fork right now.
SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips. SpeedFan can even access S.M.A.R.T. info and show hard disk temperatures. SpeedFan supports SCSI disks too.Discontinued
The developer promised new versions, but the program seems to be no longer updated. Latest version, 4.52, released in June 2016, can be still downloaded from the official website.
Simple macOS system monitor in your menu bar.
- - Stats is the most popular Mac alternative to xScan.
iStat is a series of system monitor apps. It's available in different versions: iStat Menus, iStat for iOS and iStat Server as a companion application to the iStat for iOS app that lets you remotely monitor your computers (free for Windows and Mac).
- - iStat Menus is the most popular iPhone alternative to xScan.
- - iStat Menus is the most popular commercial alternative to xScan.
iStat Menus Features
Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.Bundleware
The installation may contain adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
This is a port to OS X El Capitan 10.11 of MenuMeters by Alex Harper.
MenuMeters for El Capitan Features
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 to allow quick assessment of computers state and it is powerful enough to make it a core utility in anyones sys.Discontinued
The official website is no longer available. Last version, 2.7.1, released on August 2012, can be still downloaded from Wayback Machine.
smcFanControl is the perfect application for all those Macbook owners getting burned by their hot-running Macbook.Discontinued
Not updated for many years, does not work on new hardware
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, but also analyzes the changes of all drive health indicators that are closely related to HDD or SSD failures...
Stats Panel is a macOS app for monitoring system performance.
Stats Panel Features
GST is a GTK system utility designed to stress and monitor various hardware components like CPU and RAM.
- - GtkStressTesting is the most popular Linux alternative to xScan.