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Duet Display vs Weylus Community Edition: catalog facts
Duet Display	Weylus Community Edition
Paid Paid app with plans listed on the pricing page.	Free Free and open source under the AGPL-3.0.
Windows, macOS, Android, iOS	Linux
Uses tablets and phones as extra monitors Drawing tablet mode for illustration	Reuses an existing tablet as a pen and touch input device Bundles community patches that were not merged upstream
Paid, with features split across plans Requires an account	A fork, so features and fixes may differ from upstream Weylus Tablet and computer must be connected over a network
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0-or-later
Account needed	No account needed
Not stated if it 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.