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Sketch vs Penpot: catalog facts
Sketch	Penpot
Paid Paid subscription software.	Free Free and open source; a hosted cloud version is also offered.
macOS	Windows, macOS, Linux, Web, Self-hosted
Long track record as a dedicated UI design tool Established plugin ecosystem	Self-hostable, so design files can stay on your own infrastructure Open source with no per-seat licensing required
Mac only, no Windows or Linux version Paid subscription required	Smaller plugin and template ecosystem than closed-source competitors Self-hosting requires running and maintaining your own server
Downloadable app	Downloadable app, Self-hosted, Web application
Closed source	Open source
License not stated	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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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