MockingBot

MockingBot is a collaborative prototyping tool for UI/UX designers. With MockingBot, you can create wireframes and interactive prototypes for mobile app or website.

By our Sketch Plugin, MockingBot allows designers to import Sketch files and make prototypes quickly.

MockingBot's new feature, Handoff, powerfully smooths the design-to-development workflow. Developers can get specs and multi-platform code by a sharing link, and export assets in just one click.

MockingBot supports online work and Mac/Windows/linux system.

MockingBot has free version. Even for its premium features, it's an economical choice.