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Penpot Desktop vs Sketch: catalog facts
Penpot Desktop	Sketch
Free Free and open source under the AGPL-3.0 licence.	Paid Paid subscription software.
Linux	macOS
Runs Penpot in its own desktop window Open source with an active repository	Long track record as a dedicated UI design tool Established plugin ecosystem
Unofficial; not made by the Penpot team Depends on Penpot itself for all design features	Mac only, no Windows or Linux version Paid subscription required
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0-or-later	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 October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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