Replaces Balsamiq with a free tool for creating GUI prototypes and diagrams. It features a large collection of stencils and supports multi-page document structures.
Tech Stack
JavaScriptUI/UX & Prototyping
Why pencil?
• Desktop based
• Extensive stencils
• Free forever
Limitations
• Outdated UI
• Slow updates
• Limited collaboration
3/5/2026
Last Update
769
Forks
532
Issues
GPL-2.0
License
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