Software for Node.js
Puppeteer
A Node.js library that provides a high-level headless Chrome API over the DevTools Protocol. Puppeteer is free and open source and can be used to generate screenshots and PDFs of web pages, crawl SPAs, scrape content from websites and auto submit forms and keyboard inputs for ui/ux testing.
Rollup
Rollup is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application. It uses the new standardized format for code modules included in the ES6 revision of JavaScript, instead of previous idiosyncratic solutions such as CommonJS and AMD.
Socket.io
Socket.IO is a free and open-source JavaScript library that can be used for building realtime web applications. The library consists of two parts, a server-side library for Node.js and a client-side library that runs in the browser.
Whitestorm.js
WhitestormJS is a free and open source framework that can be used to build 3D web applications using Three.js technology. WhitestormJS uses Three.js for rendering your scene and objects and Physi.js for simulating physics. Both those libraries are already included in the build and should work properly out-of-the-box. Developers use WhitestormJS to build interactive 3D applications for the web.
RequireJS
RequireJS is a free and open-source JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Node.js and Rhino.
Chart.js
Chart.js is an easy way to include animated, interactive graphs on your website. Chart.js is a free and open source charting library for JavaScript that is simple, yet flexible. With Chart.js you can mix and match bar and line charts to provide a clear visual distinction between datasets and easily create most common chart types.
Pug.js
Pug or Pug.js is a free and open-source, high-performance template engine for Node.js. The library is heavily influenced by Haml and share many of the same concepts, while being a JavaScript implementation.
Mocha.js
A simple, flexible, and feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. With Mocha, you can run tests serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases.
Storybook
Storybook is an open source tool for developing UI components in isolation for React, Vue, Angular, and more. It makes building stunning UIs organized and efficient.
Vest
Vest is a free and open-source validations library for JavaScript applications. The library share many similarities with other testing framework such as Mocha and Jest. It is to write validation testing with Vest as it includes already common declarative patterns. The library can handle validation upon user interaction and user input.