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




Open Pencil is described as 'Open-source editor for vector and interface designs with AI-powered creation, Figma file support, real-time peer-to-peer collaboration, code export, and advanced programmability' and is a UI Design tool in the photos & graphics category. There are more than 50 alternatives to Open Pencil for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best Open Pencil alternative is Penpot, which is both free and Open Source. Other great apps like Open Pencil are Figma, Pencil Project, Sketch and Lunacy.
Quant-UX is an integrated Prototyping and Analytics software. It allows you to design, test and analyze interaction prototypes.




Design production-ready interactive content. Design interactivity and animation on an infinite canvas with real-time collaboration. Organized on a shared workspace for your entire team.



Design and launch web pages freehand in your browser with drag-and-drop tools, no coding required, instant publishing, responsive layouts, pre-made templates, team collaboration, and support for portfolios, landing pages, and presentations.




Revolutionize your development process by bridging the gap between designers and developers to turn your design visions into production-ready UIs.




Uizard is an AI-powered design tool released in 2018. Uizard's easy-to-use drag-and-drop editor and its AI features help users design and prototype user interfaces for web and mobile applications. Although commonly deployed as a UI design solution, Uizard's powerful AI...


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"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether it is complete, and how a shift in one element impacts something else.



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

MockFlow accelerates early-stage product design and ideation with AI-powered wireframing, prototyping, and visual brainstorming. WireframePro and IdeaBoard enable teams to collaboratively transform initial concepts into professional, shareable wireframes and diagrams.




Alva works with your production frontend components, adding up-to-date, responsive, and interactive designs to your living styleguide.

Motiff is the UI design tool for the AI era. Get powerful Al and comprehensive design features, prototyping, Dev Mode, and an all-in-one platform.







