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Open Note Scanner vs OSS Document Scanner: catalog facts
Open Note Scanner	OSS Document Scanner
Free The open-source application is available without a license fee.	Free Free and open source under the MIT license.
Android	Android
Fully open source with no account or cloud component Automatic edge detection and perspective correction	Scans documents using a phone camera Includes OCR and image processing components
Rougher than commercial scanner apps Development is intermittent	Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
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 October 8, 2026

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