Open Source Pencil Project AlternativesUI Design & Prototyping Tools like Pencil Project

The best open source alternative to Pencil Project is Penpot. If that doesn't suit you, our users have ranked more than 50 alternatives to Pencil Project and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Pencil Project are LibreOffice - Draw, Penpot Desktop, Wireflow and Apache OpenOffice Draw.

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Pencil Project alternatives are mainly UI Design Tools, but if you're looking for Vector Graphic Apps or Prototyping Tools you can filter on that. Other popular filters include Free, Online, Android and Linux. These are just examples - use the filter bar below to find more specific alternatives to Pencil Project.
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Alternatives list

  1. Penpot icon

    Penpot

     231 likes

    Open-source design platform offering web-based and self-hosted workflows, code inspection in HTML and CSS, adaptive layouts with CSS Grid and Flex, real-time collaboration, auto layout features, reusable components, design tokens, layer support, plugins, and no tracking.

    68 Penpot alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (MPL-2.0)

    Application types

    Platforms

    • Online
    • Self-Hosted
    • Cloudron
    Powerful interaction design tool for designers and developers.
     

    • Penpot is the most popular Web-based & Self-Hosted alternative to Pencil Project.

    • Penpot is the most popular Open Source & free alternative to Pencil Project.

    • Penpot is Freemium and Open SourcePencil Project is Free and Open Source
    • Penpot is LightweightPencil Project is not according to our users
  2. LibreOffice - Draw icon

    LibreOffice - Draw

     311 likes

    Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

    97 LibreOffice - Draw alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Flathub
    LibreOffice - Draw screenshot 1
     

    • LibreOffice - Draw is the most popular Linux alternative to Pencil Project.

    • LibreOffice - Draw is Free and Open SourcePencil Project is also Free and Open Source
    • LibreOffice - Draw is Lightweight and Privacy focusedPencil Project is not according to our users
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    Screenshot
    Magic Patterns icon
    Magic Patterns

    AI-powered prototyping tool enabling product teams to quickly generate UI aligned to existing styles, import design systems, collaborate live, gather user feedback, test new features, support data-driven decisions, and ensure ent...

    https://www.magicpatterns.com
    Learn More
  6. Wireflow icon

    Wireflow

     22 likes

    Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Self-Hosted
    Wireflow screenshot 1
     
  7. Apache OpenOffice Draw icon

    Apache OpenOffice Draw

     125 likes

    Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for posters, graphs, charts, and more.

    93 Apache OpenOffice Draw alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    For technical drawings with integrated graduation function (not available in PowerPoint)
     
  8. Akira icon

    Akira

     28 likes

    Akira is a native Linux Design application built in Vala and GTK. Akira focuses on offering a modern and fast approach to UI and UX Design, mainly targeting web designers and graphic designers. The main goal is to offer a valid and professional solution for designers who want to...

    68 Akira alternatives

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • GTK+
    Akira screenshot 1
     
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    1
    Comments about Akira as an Alternative to Pencil Project
    Guest
    Positive
    0

    Very good open source project, fast interface designing, efficient and free as in freedom.

    Review by a new / low-activity user.
    Pencil Project Icon
    Akira icon
    • Akira is Free and Open SourcePencil Project is also Free and Open Source
  10. mydraft.cc icon

    mydraft.cc

     8 likes

    Open source wireframing tool written in typescript, react and redux.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    ui
     
  11. Alva icon

    Alva

     15 likes

    Alva works with your production frontend components, adding up-to-date, responsive, and interactive designs to your living styleguide.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Alva screenshot 1
     
  12. Core2D icon

    Core2D

     2 likes

    Core2D is a multi-platform application for making data driven 2D diagrams. The application has built-in wyswig vector graphics editor where you can bind data to shapes, share data across multiple documents, edit documents using layers.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Core2D screenshot 1
     
  13. Magic Patterns icon

    Magic Patterns

     2 likes

    AI-powered prototyping tool enabling product teams to quickly generate UI aligned to existing styles, import design systems, collaborate live, gather user feedback, test new features, support data-driven decisions, and ensure enterprise-level security and compliance.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    Magic Patterns screenshot 1
     
  14. quickMockup icon

    quickMockup

     10 likes

    Online tool for creating mockups in the browser. Use your browser’s save function to save the file (just html for view only, complete save for an editable version) or export to codepen for others to view.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    quickMockup screenshot 1
     
  15. Diagramo icon

    Diagramo

     20 likes

    Diagramo is an online flowchart software

    • diagrams (create, edit and share)
    • organization charts (create, edit and share)
    • network diagrams (create, edit and share)
    • graphs (create, edit and share).

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    Diagramo screenshot 1
     
12 of 17 Pencil Project alternatives