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




Mockingbird is described as 'Online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application' and is a Wireframing tool in the development category. There are more than 50 alternatives to Mockingbird, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and iPhone apps. The best Mockingbird alternative is Penpot, which is both free and Open Source. Other great sites and apps similar to Mockingbird are LibreOffice - Draw, yEd Graph Editor, Dia and Pencil Project.
Axure RP is the leading tool for rapidly creating wireframes, prototypes and specifications for applications and web sites.




A collaborative design tool offering wireframing, prototyping, and design specs creation in a single browser-based platform. Integrate seamlessly with your workflow via API, sync with Sketch and Photoshop, and utilize a vast library of assets. Streamline design-to-dev with automated code generation.





Studio.Design is the site builder for designers. The browser app is packed with design features as intuitive as Figma, a CMS as simple as Notion, and one-click publishing to your domain. Now, you can finally turn any idea into a stunning website quickly and easily.



Origami Studio is a free design tool built by Facebook designers for creating interactive UI prototypes. An elegant, layer-based interface allows designers to repaidly create prototypes with layers, build interactions and then share them with others.




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. We’ve carefully designed Flinto for Mac to minimize complexity.



Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.




Mockplus is a desktop-based prototyping tool. It can be used to create wireframes/mockups/prototypes for any mobile and web apps with ease. This tool will make UI/UX designers prototype faster, smarter and easier.



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.

WireframeSketcher is a software tool that helps product managers, designers and developers quickly create wireframes, mockups and prototypes for desktop, web and mobile applications. It’s standalone software and a plug-in for any Eclipse IDE.




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 drag-and-drop interface. No code involved.




Diagramo is an online flowchart software
