Nightwatch.js

Storybook is a tool for developing UI components in isolation. Allowing you to build, test & document UI faster, and streamline your workflow. It's the world’s favorite component workshop, widely adopted by industry giants, startups, and open source projects.

Frontless.JS is a minimalistic node.js SSR stack for building universal (isomorphic) javascript applications. It is built to boost a developer's productivity and eliminate as much repeated routine as possible.