Alternatives to MockFlow for Windows with Free or Open Source License

Platforms

Desktop

Mobile

Tablet

Web / Online

Browsers

Other Platforms

  • Pencil Project icon

    Pencil Project

    Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have...

    Open Source Mac Windows Linux Firefox

  • Marvel icon

    Marvel

    Marvel is a free prototyping tool that transforms static design files (like Photoshop files, PNG etc) and sketches into interactive...

    Freemium Mac Windows

  • Storyboard That icon

    Storyboard That

    Storyboard That is the world's best online storyboard creator. Everyday people from all over the world use Storyboard That to...

    Freemium Mac Windows Linux Web / Cloud Android iPad

  • Prototype Composer

    Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download...

    Freemium Windows

  • Napkee icon

    Napkee Discontinued

    Napkee makes your Balsamiq Mockups come alive. Import a BMML and export to web or flex code in a few clicks.

    Open Source Mac Windows Linux

  • Presentator.io icon

    Presentator.io

    Presentator is a free web application that allows you to present your designs in an easy, organized and interactive way.

    Free Mac Windows Linux Android iPhone Blackberry ... iPad