Best Hardware Monitoring Tools in 2026

ManageEngine OpManager

ManageEngine OpManager monitors and manages network infrastructure from a unified console.

Telegraf

Telegraf is an open source agent for collecting metrics from infrastructure, applications, and devices.

Nagios XI

Nagios XI is monitoring software installed on a Linux server you own.

Glances

Glances is a free, open-source tool for viewing real-time system statistics and running processes across platforms.

Pokesensor

Pokesensor is a local hardware-monitoring app for Windows, macOS, and Linux.

MSI Afterburner

MSI Afterburner is a free Windows utility for tuning and monitoring graphics hardware.

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.

Paessler PRTG Network Monitor

Paessler PRTG Network Monitor monitors systems, devices, traffic, applications, and other infrastructure metrics from an on-premises installation…

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.

smartmontools

smartmontools is a free package containing smartctl and smartd for controlling and monitoring storage devices through SMART.

HWiNFO

HWiNFO is hardware information and monitoring software for Windows and DOS-compatible systems.

Icinga

Icinga monitors infrastructure and applications, collecting and analyzing data to help teams identify and resolve errors.

XStat

XStat monitors live hardware data and lets users build custom sensor panels for a desktop and other devices on the local network.

NetXMS

NetXMS is an open-source solution for monitoring networks and infrastructure.

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.

Core Temp

OpenNMS

OpenNMS is an open-source platform for monitoring faults, performance and traffic and generating alarms across local and distributed networks.

Argus Monitor

Argus Monitor is Windows software for controlling fans and monitoring system hardware.

AIDA64

Datadog Experiments

HWMonitor

HWMonitor reads sensor data that helps track PC health, including temperatures, voltages, power, current, fan speed, utilization, and clock speeds.

NVIDIA Data Center GPU Manager

NVIDIA Data Center GPU Manager (DCGM) provides tools to manage and monitor NVIDIA data center GPUs in cluster environments.