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Pencil Project vs ProtoPie

Pencil Project: Free open source tool for GUI mockups and prototypes ProtoPie: Interactive prototyping tool with logic, variables and device testing

Comparison of Pencil Project, ProtoPie
Pencil Project
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ProtoPie
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CategoryWireframingUI Design
PricingOpen sourceFree, GPL-2.0 licence–
Platforms
  • Windows
  • Mac
  • Linux
–
Best for
  • Designers
  • Product managers
  • Developers
  • Interaction designers
  • Motion designers
  • Product teams
Highlights
  • Create GUI mockups for desktop and web layouts
  • Use stencils and templates from the project site
  • Let connected AI assistants edit the canvas
  • Build interactions with logic and variables
  • Import designs from other design tools
  • Test prototypes on several device types
GitHub stars9.9k–
Last update3 days ago–

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