Delightful JavaScript Testing.

test framework agnostic BDD-style assertions

tap-producing test harness for node and browsers

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript

Expect-like assertions that works seamlessly in node and browsers

Write Beautiful Specs with Custom Matchers

uvu is an extremely fast and lightweight test runner for Node.js and the browser

Gulp plugin for running your Jest tests

Node.js test runner that lets you develop with confidence.

BDD style assertions for node and the browser.

TypeScript is a language for application scale JavaScript development

React package for snapshot testing.

a CLI dashboard for webpack dev server

Expect.js adapter for Karma

CLI for webpack & friends

Provides polyfills necessary for a full ES2015+ environment