Side by side
Hardware Sentry KM vs Open Hardware Monitor
Both stand on hardware monitoring tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial LinuxWebWindows
Hardware Sentry KM provides broad hardware monitoring, diagnostics, collection methods, and BMC Helix integration. Buyers should confirm licensing, platform coverage, and pricing before deployment.
Visit Hardware Sentry KM Free plan LinuxWindows
Open Hardware Monitor offers broad sensor coverage and several display options at no cost. Its Beta status, older listed release, and platform prerequisites should be considered before installation.
Visit Open Hardware MonitorThe facts
| Hardware Sentry KM | Open Hardware Monitor | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Web, Windows | Linux, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | sentrysoftware.com | openhardwaremonitor.org |
| On hardware monitoring tools | #54 of 59 | #50 of 59 |
Hardware Sentry KM: what it does well
- Monitors servers, storage, networks, and UPS devices
- Supports more than 100 hardware platforms
- Offers SNMP, IPMI, REST, WMI, WBEM, and SSH collection
- Measures power consumption
- Provides multiple alert channels
What to know first
- Pricing is available only on request
- No free plan
- BMC Helix license required for KMs and ETLs
- Support plan sales have been discontinued
Open Hardware Monitor: what it does well
- Monitors temperatures, fans, voltages, load, and clocks
- Supports Intel, AMD, Nvidia, and SMART sensors
- Displays readings in window, gadget, or tray
- Publishes data through Windows Management Instrumentation
- Free and open source
What to know first
- Still in Beta
- Windows requires .NET Framework 4.5 or later
- Linux requires Mono with WinForms
- Administrator rights needed for most sensors
Alternatives to Hardware Sentry KM Alternatives to Open Hardware Monitor The whole list

