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Core Temp vs Open Hardware Monitor: catalog facts
Core Temp	Open Hardware Monitor
Free Free to download and use. The software is closed source.	Free Free and open source under the Mozilla Public License.
Windows	Windows, Linux
Per-core readings taken from the CPU's own sensors Tiny footprint with optional overheat protection actions	Open source, so the sensor handling can be inspected and reused Readings can sit in the tray or a desktop gadget
The installer offers bundled software that must be declined CPU only; it does not read drive or GPU sensors	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.