296 Like Pencil Project Good alternative? YES NO Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. The Pencil... Free Open Source Mac Windows Linux PortableApps.com Electron / Atom Shell Firefox Cliparts Firefox extension Add a feature
90 Like Balsamiq Mockups Good alternative? YES NO Using Balsamiq Mockups feels like you are drawing, but its digital, so you can tweak and rearrange controls easily, and the end result is much cleaner. Teams can come up... Commercial Mac Windows Web Real time collaboration Add a feature
48 Like InVision Good alternative? YES NO InVision's prototype tool lets you create interactive wireframes and high-fidelity prototypes. Share your work and get instant feedback right on-screen. Freemium Web Basecamp integration GitHub integration Group chat Jira integration Kanban boards Support for @mentions ... Real time collaboration Slack integration Trello integration Add a feature
12 Like Marvel Good alternative? YES NO Marvel is a free prototyping tool that transforms static design files (like Photoshop files, PNG etc) and sketches into interactive, sharable prototypes that look and... Freemium Web Android iPhone Apple Watch tvOS No features added Add a feature
34 Like Concept.ly Good alternative? YES NO Free web and mobile mockup tool. Transform your design and mockups into clickable interactive applications. Perfect way to validate ideas faster with lean startup... Freemium Web Real time collaboration Add a feature
21 Like Fluid UI Good alternative? YES NO 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... Freemium Web Real time collaboration Flow diagram visualisation Live Preview Export to PDF Add a feature
8 Like Origami Studio Good alternative? YES NO 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... Free Mac Android iPhone No features added Add a feature
17 Like MockFlow Good alternative? YES NO Nothing to download/install, create and access your mockups from anywhere. Add pages with templates and define links to present a clickable prototype. Our... Freemium Web Real time collaboration Add a feature
71 Like Moqups Good alternative? YES NO "The most stunning HTML5 App for creating high fidelity, resolution independent SVG mockups and wireframes!" The Free Plan includes 2 projects (limited to... Freemium Web Real time collaboration SVG Support Add a feature
2 Like STUDIO Good alternative? YES NO Build your idea into a product. Design and programming skills are no longer necessary to create a product. With STUDIO, you can make your idea into a real product... Freemium Web No features added Add a feature
23 Like mockingbird Good alternative? YES NO mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application. It is not Flash based. Commercial Web No features added Add a feature
5 Like Atomic Good alternative? YES NO 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... Freemium Web No features added Add a feature
7 Like SwordSoft Layout Good alternative? YES NO SwordSoft Layout is an desktop application that makes it very easy for you to create, preview, and manage mockups of your website, mobile application or desktop... Commercial Mac Windows No features added Add a feature
8 Like ProjectHuddle Good alternative? YES NO Use your existing WordPress site to get feedback on your design projects. Upload your design images, wireframes, mockups, logo sketches, photography and more. Gather... Commercial Self-Hosted Wordpress Customizable Real time collaboration Add a feature
4 Like Prototype Composer Good alternative? YES NO Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today. Freemium Windows Wireframing Add a feature
