Pencil
GUI prototyping desktop app: page templates, built-in UI stencils, linking, and export for early product design.
Why it is included
Open option for low-fi wireframes when Penpot/Figma workflows are not chosen.
Best for
Product teams mocking desktop and web UIs offline.
Strengths
- Stencil libraries
- Simple linking
- Offline
Limitations
- Not a full design system or handoff tool
Good alternatives
Penpot · Akira
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