18.8
Checkmk monitors cloud, hybrid, and data center infrastructure, including containers, networks, and web, mail, and database servers.
Free planOpen sourceAndroidiOSWeb
Best Hardware Monitoring Tools in 2026
Hardware monitoring tools read system sensors and help you watch device status. Use this list to compare sensor history, alert channels, remote monitoring, monitored-device limits and custom sensor support. If you use a Xiaomi, Redmi or POCO phone or tablet, check Supported platforms for an Android app and confirm which sensors it covers. Listings may also run on the web, Windows, Linux, an API or self-hosted…
28.7
Netdata is an observability platform for monitoring infrastructure and investigating problems in real time.
Free planOpen sourceAndroidiOSWeb
38.3
Centreon is an IT monitoring platform for complex infrastructure spanning cloud environments and edge systems.
Free planOpen sourceWebAPILinux
- 4
ManageEngine OpManager
ManageEngine OpManager monitors and manages network infrastructure from a unified console.
Free planAndroidiOSWebAPI8.3From $95 a year - 5
Telegraf
Telegraf is an open source agent for collecting metrics from infrastructure, applications, and devices.
Free planOpen sourceWebAPILinuxmacOS8.3From $18,000 a year - 6
Nagios XI
Nagios XI is monitoring software installed on a Linux server you own.
Free planWebAPILinuxmacOS8.1$2,595 one-time - 7
Glances
Glances is a free, open-source tool for viewing real-time system statistics and running processes across platforms.
Free planOpen sourceAndroidWebAPILinux8.0Free plan - 8
MSI Afterburner
MSI Afterburner is a free Windows utility for tuning and monitoring graphics hardware.
Free planAndroidWindows7.9Free plan - 9
Pokesensor
Pokesensor is a local hardware-monitoring app for Windows, macOS, and Linux.
Free planLinuxmacOSWindows7.9From $5 a month - 10
PA File Sight
PA File Sight is an on-premises tool for monitoring file integrity, protecting against ransomware, preventing data loss, and auditing file access.
AndroidiOSWebAPI7.7From $30 a month - 11
Paessler PRTG Network Monitor
Paessler PRTG Network Monitor monitors systems, devices, traffic, applications, and other infrastructure metrics from an on-premises installation…
Free planAndroidiOSWebAPI7.7From $200 a month - 12
Supermicro SuperDoctor 5
Supermicro SuperDoctor 5 is a free monitoring tool for Windows and Linux that tracks hardware health and system availability in data centers in real time.
Free planLinuxWindows7.6Free plan - 13
smartmontools
smartmontools is a free package containing smartctl and smartd for controlling and monitoring storage devices through SMART.
Free planLinuxmacOSWindows7.6Free plan - 14
HWiNFO
HWiNFO is hardware information and monitoring software for Windows and DOS-compatible systems.
Windows7.3 - 15
Icinga
Icinga monitors infrastructure and applications, collecting and analyzing data to help teams identify and resolve errors.
Free planWebAPILinuxSelf-hosted7.3From $2,000 a year - 16
XStat
XStat monitors live hardware data and lets users build custom sensor panels for a desktop and other devices on the local network.
Free planAndroidWebWindows7.2Free plan - 17
Core Temp
AndroidWindows7.2 - 18
NetXMS
NetXMS is an open-source solution for monitoring networks and infrastructure.
Free planAndroidWebAPILinux7.2Free plan - 19
Macs Fan Control
Macs Fan Control monitors fan speeds and temperature sensors on Macs, including third-party HDD and SSD sensors through S.M.A.R.T.
Free planmacOSWindows7.1Free plan - 20
Argus Monitor
Argus Monitor is Windows software for controlling fans and monitoring system hardware.
Windows7.1 - 21
HWMonitor
HWMonitor reads sensor data that helps track PC health, including temperatures, voltages, power, current, fan speed, utilization, and clock speeds.
Free planAndroidWindows7.1$19.95 one-time - 22
OpenNMS
OpenNMS is an open-source platform for monitoring faults, performance and traffic and generating alarms across local and distributed networks.
Free planWebAPILinuxSelf-hosted7.1From $6,000 a year - 23
AIDA64
AndroidiOSWindows7.0€59.95 one-time - 24
Datadog Experiments
WebAPI7.0From $450 a month - 25
NVIDIA Data Center GPU Manager
NVIDIA Data Center GPU Manager (DCGM) provides tools to manage and monitor NVIDIA data center GPUs in cluster environments.
Free planAPILinuxSelf-hosted6.9Free plan
Choosing well
Check Android and other platforms
Start with Supported platforms and look for Android if you want to monitor from a Xiaomi, Redmi or POCO phone or tablet. Confirm the sensors available in that app.
Web, Windows, Linux, API and self-hosted options can suit desktop, server or mixed setups.
Compare sensors and history
Review the sensor coverage a tool provides and whether it supports custom sensors. Sensor history shows whether you can look back at readings instead of viewing a live value alone.
Look at remote monitoring and alerts
Remote monitoring can matter when the monitored device is elsewhere. Compare supported alert channels and check how the tool handles notifications for the conditions you care about.
Check limits and pricing
Compare the monitored device limit with your setup, then review Paid from details. A free plan or free trial can help you assess a tool before paying.
Freemium and paid pricing models appear alongside free plans, so check the current terms for the tool you are considering.
Review the code licence
Open-source code is available from tools in this category. If you need to read, modify or host the code, check the project's licence and its supported deployment options.
Questions people ask
Do these tools support Android?
Android is a supported platform in this category. Check an individual listing's Supported platforms and confirm which sensors its Android app can show.
Can hardware monitoring be done remotely?
Yes. Compare the Remote monitoring field, then check whether the tool uses web, an API or a self-hosted setup that fits your devices.
Can I review older sensor readings?
Compare Sensor history. This field shows whether a tool keeps past readings for later review.
Can I add my own sensors?
Check Custom sensor support in the comparison details. Support differs by tool.
Are free options available?
Yes. Tools with a free plan are listed, alongside freemium and paid options. A free trial is also offered by items in this category.