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Open Hardware Monitor vs HWMonitor: catalog facts
Open Hardware Monitor	HWMonitor
Free Free and open source under the Mozilla Public License.	Freemium Free, ad-supported on the website, with a paid PRO version.
Windows, Linux	Windows
Open source, so the sensor handling can be inspected and reused Readings can sit in the tray or a desktop gadget	Reads a wide range of motherboard, CPU, GPU and drive sensors Portable zip version available
Upstream development stopped years ago; Libre Hardware Monitor is the maintained fork Newer chipsets and sensors are frequently unrecognised	Windows only Graphs and remote monitoring are in the paid PRO version
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.