The best Prototyping alternative to Indigo Studio is Pencil Project, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Indigo Studio and 15 are Prototyping Tools so hopefully you can find a suitable replacement. Other interesting Prototyping Tool alternatives to Indigo Studio are Frame0, Balsamiq Wireframes, Moqups and InVision.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.
Low-fidelity UI wireframing tool simulating sketching experience, optimized for speed with Quick Add, built for collaboration, drag-n-drop simplicity, exportable wireframes to PNG/PDF, interactive prototypes via linking, hundreds of UI components, reusable symbols, and more.
A streamlined web app that helps you create and collaborate in real-time on wireframes, mockups, diagrams and prototypes.
We believe the screen is the most important place in the world. That’s why we are dedicated to helping you deliver the best possible digital product experience, with our platform and best practices from your peers.
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.
Revolutionize your development process by bridging the gap between designers and developers to turn your design visions into production-ready UIs.
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.
Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today.
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...
Create five screens in ten minutes without any programming knowledge or prior training!
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