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NAPS2 vs Document Scanner: catalog facts
NAPS2	Document Scanner
Free The open-source application is available without a license fee.	Free Free and open source under the GPLv3.
Windows, macOS, Linux	Linux
Works with nearly any scanner protocol on Windows, macOS and Linux Built-in OCR produces searchable PDFs with no extra step	Minimal, easy interface Saves scans as PDF or images
Deliberately simple; it is not a document management system OCR language packs must be downloaded separately	Linux only Few advanced scanning options by design
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
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 24, 2026

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