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Design & ValidateToolOpen sourceFreemium
Penpot
A self-hostable open-source interface design and prototyping platform with components, design tokens, responsive layout, and live collaboration.
Visit official siteContent record updated Jul 31, 2026Official site reached automatically · Checked Aug 3, 2026
Why it’s here
Open file formats and web standards improve handoff while letting indie teams control design sources and deployment.
Best fit
Prototype systems, stories, and interactions, then validate them with real players.
ui-uxprototyping
Before you commit
General prototypes do not replace in-engine controller focus, font rendering, performance, or target-device testing.
