Best Free UI/UX Prototyping Tools

Balsamiq Mockups is a popular tool for creating quick and simple wireframes. It offers a wide range of pre-designed elements, making it easy to prototype without coding knowledge. Non-profits can bene...

Adobe XD is a powerful, vector-based design tool deeply integrated into the Adobe Creative Cloud ecosystem, making it a natural choice for designers already using Photoshop, Illustrator, or After Effe...

Proto.io is a web-based prototyping tool that allows for the creation of high-fidelity, interactive prototypes for mobile and web applications. It offers a wide range of features, including complex an...

Sketch pioneered the modern, focused UI/UX design tool when it launched in 2010, moving away from the bloat of general-purpose suites. It is a Mac-native application beloved for its simplicity, speed,...

Axure RP is the powerhouse of wireframing and prototyping tools, designed for creating highly functional, complex prototypes with conditional logic, dynamic content, and rich interactions. It goes far...

InVision Freehand was a popular design-focused whiteboard tool that has been largely superseded by newer, more integrated platforms like FigJam and Miro. While it still offers a functional canvas for...

MockFlow is a comprehensive suite of tools for the entire product design process, with a strong foundation in wireframing. It offers a dedicated wireframing tool with an extensive library of component...

Draw.io, now known as diagrams.net, is the gold standard for technical diagramming. While it functions as a whiteboard, its primary strength is in creating precise, structured diagrams like flowcharts...