The Best 38 Atomic Alternatives

  • Moqups icon

    Moqups

    "The most stunning HTML5 App for creating high fidelity, resolution independent SVG mockups and wireframes!" The Free Plan includes 2 projects (limited to 300 objects) and 5MB of storage.

    Freemium Web

    Real time collaboration SVG Support
  • Concept.ly icon

    Concept.ly

    Free web and mobile mockup tool. Transform your design and mockups into clickable interactive applications. Perfect way to validate ideas faster with lean startup thinking. Best tool for quick prototyping.

    Freemium Web

  • UXPin icon

    UXPin

    UXPin is a web-based system for managing design documents like wireframes, sitemaps, persona descriptions or flowcharts. It lets you upload image files, invite teammates to review and comment on them, and keep track of revisions.

    Commercial Mac OS X Windows Linux Web

  • mockingbird icon

    mockingbird

    mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application. It is not Flash based.

    Commercial Web

  • MockFlow icon

    MockFlow

    Nothing to download/install, create and access your mockups from anywhere. Add pages with templates and define links to present a clickable prototype. Our components are of medium-fidelity not very sketchy or look too real.

    Freemium Web

  • Proto.io icon

    Proto.io

    Create fully-interactive high-fidelity prototypes that look and work exactly like your app should. No coding required. Companies like IDEO, Disney, Paypal, Airbnb and more use Proto.io.

    Commercial Web

  • Justinmind icon

    Justinmind

    Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive...

    Commercial

  • Savahapp icon

    Savahapp

    SavahApp is a collaborative platform that streamlines feedback right to your design screen that allows designers to create high-fidelity prototypes for web and mobile apps without writing a single line of code.

    Freemium Mac OS X Windows Chrome OS Web

  • ProjectHuddle icon

    ProjectHuddle

    Use your existing WordPress site to get feedback on your design projects. Upload your design images, wireframes, mockups, logo sketches, photography and more. Gather comments directly on top of your designs.

    Commercial Self-Hosted Wordpress

    Customizable Real time collaboration
  • ViewFlux icon

    ViewFlux

    ViewFlux allows you to capture feedback, create clickable prototypes from your designs & collaborate seamlessly with your clients.

    Freemium Web

  • HotGloo icon

    HotGloo

    HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables. Create and share fully interactive prototypes with your team and clients and gather feedback on the process. .

    Commercial Mac OS X Windows Linux Web

  • Flinto icon

    Flinto

    Flinto for Mac is a comprehensive app prototyping tool that allows you to create anything from simple tap-through prototypes, to comprehensive prototypes with impressive interactions.

    Commercial

  • ProtoShare icon

    ProtoShare

    ProtoShare is a web-based, collaborative wireframing and prototyping tool. It hosts a WYSIWYG drag-and-drop interface, as well as advanced components users can...

    Commercial Web

  • Prototype Composer icon

    Prototype Composer

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

    Freemium Windows

  • Moqhub icon

    Moqhub

    Upload your designs,mockups or wireframes by file or by URL snapshot, organize them and connect them to web prototypes. Share them with friends, colleagues and clients...

    Freemium Web