是一款 Mac 上的强大的 设计工具，基于 r.js快速原型框架，可以快速的创建可交互的原型，支持移动应用的 ，集成了Photoshop & Sketch等软件，可以快速的将这些软件的源文件导入到原型中，受到了 Google、Dropbox 等公司的推荐。
for Mac 89 介绍
is a new creative tool to build interaction and animation prototypes. It allows you to connect pixels to behavior and discover exciting new ways of interaction design.
High Fidelity Prototypes
Prototyping helps designers, developers and many others effectively communicate concepts, ranging from micro-interactions to entire onboarding flows.
Design for Any Device
Explore interactions for desktop apps, websites or mobile platforms. Choose from 8 pre-installed devices in multiple colors or quickly modify your exact setup.
Complete your design workflow
Finished designing mockups? Import them intor with a single click. Start adding interactions and animations to bring your designs to life.
Build and experience your designs
When designing for mobile, the best way to validate concepts is to experience them on the actual device. Preview your prototypes in realtime with Mirror.