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OpenScan vs Open Note Scanner: catalog facts
OpenScan	Open Note Scanner
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source application is available without a license fee.
Android	Android
Turns photographed pages into shareable documents.	Fully open source with no account or cloud component Automatic edge detection and perspective correction
Scan quality depends on lighting and camera capture.	Rougher than commercial scanner apps Development is intermittent
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	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 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.