High performance and scalable visual modeling tool for the planning, design and construction of business architectures, software and systems. With customers based in all industries, Sparx Systems is a leading vendor of innovative modeling solutions.




Axure RP is described as 'The leading tool for rapidly creating wireframes, prototypes and specifications for applications and web sites' and is a Prototyping tool in the development category. There are more than 50 alternatives to Axure RP for a variety of platforms, including Windows, Mac, Web-based, Linux and iPhone apps. The best Axure RP alternative is Penpot, which is both free and Open Source. Other great apps like Axure RP are Figma, Pencil Project, Sketch and Open Pencil.
High performance and scalable visual modeling tool for the planning, design and construction of business architectures, software and systems. With customers based in all industries, Sparx Systems is a leading vendor of innovative modeling solutions.




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.



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.




Quant-UX is an integrated Prototyping and Analytics software. It allows you to design, test and analyze interaction prototypes.




EaSynth ForeUI is an easy-to-use UI prototyping tool. You can use ForeUI to create skinnable prototype of software or website, and run the interactive simulation in your web browser. You can switch the UI theme of the prototype, thus the fidelity will be changed as well.




Atomic puts advanced interactive design features like logic, data, and variables, into the hands of every designer.




Mockitt is an online prototyping and collaboration tool to empower your design journey, present your idea, validate your concept and implement the design. You can use Mockitt to quickly create a prototype that illustrate your ideas and enhance clients’ experience with plentiful...


Instead of starting with a blank screen, SmartDraw gives you the exact template you need. Then use simple commands to add your information and SmartDraw does the rest. There's no other drawing software like it.




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 customize.




Automatically connects to your Photoshop document and converts your mockups into interactive prototypes using layer comps to organize your documents into screens. Transition between them by defining hotspots in the layer name you want to be tappable.



Fluid UI is the fastest mobile app prototyping tool available. Design and test your low and high fidelity app mockups on a mobile device with ease. Simple and UX oriented, this UI tool helps unlock creativity and will save your team time and money while gathering app...



