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.



Atomic is described as 'Work your way up from a blank canvas, or pull in designs from Photoshop or Sketch. Lay out your states and instantly animate between them, without coding a thing. Share your prototypes with anyone or view on any device via a humble' and is an website. There are more than 25 alternatives to Atomic, not only websites but also apps for a variety of platforms, including Mac, Windows, iPhone and Linux apps. The best Atomic alternative is Moqups, which is free. Other great sites and apps similar to Atomic are InVision, Principle, Presentator.io and Marvel.
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.



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.



What's next after wireframes? Visual Design and Notism. With Notism you can discuss, experience and share design work. Iterate faster and create better websites & apps - the lean way.
ViewFlux allows you to capture feedback, create clickable prototypes from your designs & collaborate seamlessly with your clients.



The newest design tool from the leaders in UX, Indigo Studio lets you quickly and simply explore and create functional, animated UI prototypes while maintaining the focus on user experience at every step.


Visual version control and collaboration workflow for open source and private design projects. Built for individuals, trusted by agencies.
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.



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.


How great apps are made - PandaSuite makes it easy to create highly interactive content (iOS, Android, HTML5) and publish it where it matters.




Specfox is the first tool to address the tedious process of writing website specifications, which is often frustrating and time-consuming. You shouldn't be spending hours trying to explain developers design features and creating ugly descriptions in software which was not...




Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today.
SureFeedback, previously ProjectHubble, is a platform for creating effective web content. It includes features like an AI assistant, document editor, command library, and more. It improves client communication by efficiently collecting and managing live feedback.


