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MasterGo vs OpenPencil: catalog facts
MasterGo	OpenPencil
Freemium Check the site for current plans; pricing was not confirmed in the research.	Free Free and open source under the MIT licence.
Web	macOS, Web, Command line
Collaborative interface design in the browser AI features for generating designs	Opens and round-trips Figma .fig files Headless CLI for exporting and analysing designs
Website and interface are primarily in Chinese Details of plans were not confirmed	Young project compared with established design tools Figma compatibility relies on a reverse-engineered file codec
Hosted service	Downloadable app, Web application
Closed source	Open source
License not stated	License: MIT
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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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