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

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