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Hardinfo2 vs OCCT: catalog facts
Hardinfo2	OCCT
Free Free and open source.	Freemium Free for individuals, with offerings for professional and business use.
Linux	Windows, Linux
System information and benchmarks in one graphical app Actively maintained successor to hardinfo	Stress testing, benchmarking and monitoring in one tool Free for individual users
Linux only Smaller project than some other system information tools	Closed source Professional use is a separate offering
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0-or-later	License not stated
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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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