Blaver
A JavaScript library built on top of the Faker.JS library. It generates massive amounts of fake data in the browser and node.js.
Intern
A next-generation code testing stack for JavaScript.
6to5
Turn ES6 code into readable vanilla ES5 with source maps
Testcafe
A Node.js tool to automate end-to-end web testing.
Jasmine
DOM-less simple JavaScript testing framework
Browser Sync
Keep multiple browsers & devices in sync when building websites. http://browsersync.io
Js Cover
JSCover is a tool that measures code coverage for JavaScript programs.
Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Faker.js
generate massive amounts of fake data in Node.js and the browser
Nightwatch
UI automated testing framework based on node.js and selenium webdriver