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Core Temp vs lm-sensors: catalog facts
Core Temp	lm-sensors
Free Free to download and use. The software is closed source.	Free Free and open source.
Windows	Linux, Command line
Per-core readings taken from the CPU's own sensors Tiny footprint with optional overheat protection actions	Reads temperatures, voltages and fan speeds from kernel drivers Includes libsensors for use by other tools
The installer offers bundled software that must be declined CPU only; it does not read drive or GPU sensors	Linux only Command-line output with no graphical interface
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0, LGPL-2.1
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.