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SIW vs Hardinfo2: catalog facts
SIW	Hardinfo2
Paid Commercial software; check the developer site for current editions and prices.	Free Free and open source.
Windows	Linux
Covers hardware, software and network in one place Shows product keys and software licences	System information and benchmarks in one graphical app Actively maintained successor to hardinfo
Windows only Closed source	Linux only Smaller project than some other system information tools
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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