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Kodaskanna vs Decoder: catalog facts
Kodaskanna	Decoder
Free Free and open source under the LGPL-2.1-or-later license.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Reads 1D and 2D codes Makes scanned data available for further processing	Scans from a camera or a screenshot Generates QR codes as well as reading them
Linux installation is documented through Flathub and distribution package managers.	Linux only Focused on QR codes rather than other barcode types
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.1-or-later	License: GPL-3.0-or-later
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 October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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