Alternatives to mockingbird for all platforms with any license

  • Dia icon

    Dia

    Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license. Dia is roughly...

    Open Source Mac Windows Linux Xfce

  • 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

  • yEd Graph Editor icon

    yEd Graph Editor

    yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and...

    Free Mac Windows Linux Web / Cloud

  • LibreOffice - Draw icon

    LibreOffice - Draw

    Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and...

    Open Source Mac Windows Linux BSD

  • Lucidchart icon

    Lucidchart

    Online diagram and flowchart software that supports Microsoft Visio import and can work on any operating system.

    Freemium Mac Windows Linux Web / Cloud iPad Chrome ... Google Apps

  • Balsamiq Mockups icon

    Balsamiq Mockups

    Using Balsamiq Mockups feels like you are drawing, but its digital, so you can tweak and rearrange controls easily, and the end result...

    Commercial Mac Windows Web / Cloud

  • OmniGraffle icon

    OmniGraffle

    OmniGraffle can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to...

    Commercial Mac iPad

  • PlantUML icon

    PlantUML

    PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within...

    Open Source Mac Windows Linux Web / Cloud Android Chrome OS

  • Google Drive - Drawings icon

    Google Drive - Drawings

    Google Drawings allows users to collaborate creating, sharing, and editing images or drawings.

    Free Web / Cloud Chrome OS Chrome

  • InVision icon

    InVision

    InVision's prototype tool lets you create interactive wireframes and high-fidelity prototypes. Share your work and get instant...

    Freemium Web / Cloud

  • Axure RP icon

    Axure RP

    Axure RP is the leading tool for rapidly creating wireframes, prototypes and specifications for applications and web sites.

    Commercial Mac Windows

  • UXPin icon

    UXPin

    UXPin is a web-based system for managing design documents like wireframes, sitemaps, persona descriptions or flowcharts. It lets you...

    Commercial Mac Windows Linux Web / Cloud

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  • Diagram Designer icon

    Diagram Designer

    Simple vector graphics editor for creating flowcharts, UML class diagrams, illustrations and slide shows.

    Free Windows

  • Fluid UI icon

    Fluid UI

    Fluid UI is the fastest mobile app prototyping tool available. Design and test your low and high fidelity app mockups on a mobile...

    Freemium Web / Cloud

  • Diagramo icon

    Diagramo

    Diagramo is an online flowchart software - diagrams (create, edit and share) - organization charts (create, edit and share) -...

    Open Source Web / Cloud

  • Antetype icon

    Antetype

    ANTETYPE is a brand new, ground-breaking design application that supports user interface designers at every step of their work. Design...

    Commercial Mac

  • Marvel icon

    Marvel

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

    Freemium Web / Cloud Android iPhone Apple Watch tvOS

  • 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

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  • Mockup Designer

    Mockup Designer, built with Backbone, Backbone-LocalStorage and Html2Canvas, is a super-easy-to-use mockup tool that uses the local...

    Open Source Web / Cloud

  • Diagrammix icon

    Diagrammix

    Diagrammix is a tool for efficiently building attractive diagrams. If you are an office worker, developer, manager, supervisor...

    Commercial Mac

  • Atomic icon

    Atomic

    Work your way up from a blank canvas, or pull in designs from Photoshop or Sketch. Lay out your states and instantly animate between...

    Freemium Web / Cloud

  • Moqups icon

    Moqups

    "The most stunning HTML5 App for creating high fidelity, resolution independent SVG mockups and wireframes!" The Free...

    Freemium Web / Cloud

  • Indigo Studio icon

    Indigo Studio

    The newest design tool from the leaders in UX, Indigo Studio lets you quickly and simply explore and create functional, animated UI...

    Commercial Mac Windows

  • Mockup Builder icon

    Mockup Builder

    Design your software or website mockups within minutes. Mockup Builder is a new look to solve old problem with prototyping and sharing...

    Freemium Web / Cloud

  • MockFlow icon

    MockFlow

    Nothing to download/install, create and access your mockups from anywhere. Add pages with templates and define links to present a...

    Freemium Web / Cloud

  • Justinmind Prototyper icon

    Justinmind Prototyper

    A functional wireframe is the best way to reduce costs of your software projects. Simulate your wireframes and mitigate risks.

    Commercial Mac Windows

  • HotGloo icon

    HotGloo

    Web-based HotGloo is a rich internet application designed to build functional online wireframes for a website or web projects. HotGloo...

    Commercial Mac Windows Linux Web / Cloud

  • Composite icon

    Composite

    Automatically connects to your Photoshop document and converts your mockups into interactive prototypes using layer comps to organize...

    Commercial iPhone iPad

  • Creately icon

    Creately

    Creately makes diagramming and design easy. We do this with an access anywhere, online application that is purpose built for...

    Freemium Mac Windows Linux Web / Cloud

  • Mockplus icon

    Mockplus

    Mockplus is a desktop-based prototyping tool. It can be used to create wireframes/mockups/prototypes for any mobile and web apps with...

    Freemium Mac Windows

  • Flairbuilder icon

    Flairbuilder

    FlairBuilder is a user interface prototyping tool for easy authoring of interactive website wireframes, mockups and GUI prototypes.

    Commercial Mac Windows Linux

  • ConceptDraw PRO icon

    ConceptDraw PRO

    The fastest tool for drawing business vector graphics, diagrams and flowcharts. Supports MS Visio, MS Office and many other formats.

    Commercial Mac Windows

  • SwordSoft Layout icon

    SwordSoft Layout

    SwordSoft Layout is an desktop application that makes it very easy for you to create, preview, and manage mockups of your website...

    Commercial Mac Windows

  • quickMockup icon

    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...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

  • Delineato Pro icon

    Delineato Pro

    Delineato - the italian word for "outline". Designed using the WYSIWYN paradigm - What You See Is What You Need - this...

    Commercial Mac iPad