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AIDA64 Extreme vs Open Hardware Monitor: catalog facts
AIDA64 Extreme	Open Hardware Monitor
Paid A paid licence is required after the trial.	Free Free and open source under the Mozilla Public License.
Windows	Windows, Linux
Extremely detailed hardware and software inventory with exportable reports Sensor readings can be sent to an external display or a remote client	Open source, so the sensor handling can be inspected and reused Readings can sit in the tray or a desktop gadget
Paid licence with a time-limited trial Windows only	Upstream development stopped years ago; Libre Hardware Monitor is the maintained fork Newer chipsets and sensors are frequently unrecognised
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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