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Free Mockup Builder Alternatives

The best free alternative to Mockup Builder is Pencil Project, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Mockup Builder and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Mockup Builder are Lucidchart, Wireflow, Cacoo and mydraft.cc.

Mockup Builder alternatives are mainly Prototyping Tools but may also be Wireframing Tools or UI Design Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Mockup Builder.
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  1. Pencil Project icon

    Pencil Project

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    79 alternatives to Pencil Project 

    Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.

    Discontinued

    The last release/commit was in October 2019.

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    Pencil Project vs Mockup Builder opinions
    Most users think Pencil Project is a great alternative to Mockup Builder.
    Guest

    extreme intuitive and easy... no bug related

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    Guest

    Easier to use and extensive documentation and support available

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    Guest

    Non commercial, versatile, quite complete, active development, local ((you choos when and to who share your projects), exports in png, pdf, web page, vector SVG graphics or Open/Libre office format.

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  2. Lucidchart icon

    Lucidchart

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • bambooHR
    • Microsoft Office Powerpoint
    • Microsoft OneDrive
    • Jira
    • Microsoft Office Word
    • Google Drive
    • Slack
    • Google Drive - Docs
    • Quip
    • Microsoft Teams
    • Software as a Service (SaaS)
    • Salesforce.com
    • Google Apps
    • Microsoft Azure
    • Microsoft Office 365
    • Google Drive - Sheets
    • Microsoft Office Suite
    • LinkedIn
    • Confluence
    • Microsoft Office Excel
    191 alternatives to Lucidchart 

    Lucidchart is a visual workspace that combines diagramming, collaboration, and data visualization to accelerate understanding and drive innovation. With this intuitive, cloud-based solution, everyone can work visually and collaborate in real time.

    Lucidchart Templates and Examples: With hundreds of template examples to choose from, you can start diagramming in no time.
    Connect Lucidchart to all your favorite industry-leading apps.


  3. Wireflow icon

    Wireflow

    • Online
    • Self-Hosted
    114 alternatives to Wireflow 

    Wireflow is free, online, real-time collaborative, open source tool for creating beautiful user flow prototypes.

     Suggest and vote on features
    Features
    1.  Real time collaborationMultiple users can work together in Wireflow simultaneously.
    2.  Kanban BoardWireflow allows you to organize your workflow by moving cards with drag-and-drop functionality between multiple columns.
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  4. Cacoo icon

    Cacoo

    • Online
    • Software as a Service (SaaS)
    66 alternatives to Cacoo 

    Cacoo is a user-friendly online diagramming tool that allows you to create a variety of diagrams such as wireframes, flowcharts, UML diagrams, network diagrams, mindmaps, sitemaps, database diagrams, and more.

     Suggest and vote on features
    Features
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  5. mydraft.cc icon

    mydraft.cc

    • Linux
    • Online
    • Self-Hosted
    67 alternatives to mydraft.cc 

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

     Suggest and vote on features
    Features
    ui


  6. Moqups icon

    Moqups

    • Online
    79 alternatives to Moqups 

    Moqups is an all-in-one online design platform that's smart, simple and fast. Go from diagrams to wireframes and prototypes without switching apps or updating across platforms.

     Suggest and vote on features
    Features
    1.  Real time collaborationMultiple users can work together in Moqups simultaneously.
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    • Marvel icon

      Marvel

      • Android
      • iPhone
      • Android Tablet
      • iPad
      • Apple Watch
      • Apple TV
      • Apple Messages
      • Software as a Service (SaaS)
      86 alternatives to Marvel 

      With the Marvel design platform, access all the core functionality you need to build digital products - wireframe, prototype and generate design specs in one place.

       Suggest and vote on features
      Features
      1.  Anonymous CommentingMarvel allows you to comment and participate in discussions without revealing your personal information.
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    • Quant-UX icon

      Quant-UX

      • Mac
      • Windows
      • Linux
      23 alternatives to Quant-UX 

      Quant-UX is an integrated Prototyping and Analytics software. It allows you to design, test and analyze interaction prototypes.

       Suggest and vote on features
      Features
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    • Antetype icon

      Antetype

      • Mac
      • iPhone
      • Online
      66 alternatives to Antetype 

      Advanced UI Design & Prototyping.

       Suggest and vote on features
      Features
      1.  Design handoffView and share snippets of generated code and design specs from your design in Antetype
      2.  Live PreviewInstantly see what your files and documents look like as you create them.
      3.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
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    • quickMockup icon

      quickMockup

      • Mac
      • Windows
      • Linux
      • Online
      • Self-Hosted
      22 alternatives to quickMockup 

      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.

       Suggest and vote on features
      Features
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    Showing 10 of 20 alternatives
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