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QR ScanGen vs Barcoder: catalog facts
QR ScanGen	Barcoder
Free Free and open source under MIT-0 or CC0-1.0.	Free Free and open source under GPL-2.0-or-later.
Linux	Linux
Scanning and generating in one window Scanned content copied to the clipboard automatically	Creates both barcodes and QR codes Runs locally instead of through a website
Small project with few contributors Basic feature set	Linux only Little documentation about supported formats
Downloadable app	Downloadable app
Open source	Open source
License: MIT-0 OR CC0-1.0	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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