Pencil Project

Pencil is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.


  • Easy GUI Prototyping
  • Built-in Shape Collections
  • Diagram Drawing Support
  • Exporting to Different Output Formats
  • Easily Find Cliparts from the Internet
  • Inter-page linking
NamePencil Project
LicenseFree and Open Source
Supported Platforms, ,
MTE Reviews9 of the Best Free Alternatives to Microsoft Visio

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