Open Source Design & Prototyping Development Tools

Open source design and prototyping tools you can self-host. Compare Figma, Sketch, and Framer alternatives by collaboration features and license. Updated Sept 2026.

Penpot

59,7254,072

An open-source design and prototyping platform, and a self-hostable alternative to Figma and Sketch. Penpot runs in the browser, stores files as open SVG, and lets designers and developers work in one tool with real-time collaboration, interactive prototypes, Flex/Grid layouts, design tokens, and a free code-inspect panel.

9/7/20264072 contributors