Pencil Project
OPEN SOURCE
Open-source GUI prototyping tool.
About
Pencil Project is an open-source tool for creating mockups and prototypes. It supports various platforms and offers a range of stencils and templates.
Pricing
Pricing Type
Open Source
Billing
Custom pricing
Last checked: February 19, 2026
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Key Facts
Categories
Platforms
Windows
Mac
Linux
Company
Evolus
Founded
Founded in 2007
Language
English