Revolutionize your development process by bridging the gap between designers and developers to turn your design visions into production-ready UIs.
Cost / License
- Free Personal
- Proprietary
Application types
Platforms
- Windows
- Mac
- Linux
- Flathub
- Flatpak




Principle is described as 'Makes it easy to create animated and interactive user interface designs. Whether you're designing the flow of a multi-screen app, or new interactions and animations, Principle lets you create designs that look and feel amazing' and is a Prototyping tool in the development category. There are more than 25 alternatives to Principle for a variety of platforms, including Web-based, Mac, Windows, SaaS and iPhone apps. The best Principle alternative is Figma, which is free. Other great apps like Principle are Napkins.dev, Framer, ProtoPie and InVision.
Revolutionize your development process by bridging the gap between designers and developers to turn your design visions into production-ready UIs.




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easy animations and behaviors