Awesome JavaScript

A collection of awesome browser-side JavaScript libraries, resources and shiny things.

• Awesome JavaScript
  • Package Managers
  • Component management
  • Loaders
  • Transpilers
  • Bundlers
  • Minimizers
  • Type Checkers
  • Testing Frameworks
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Package Managers

Host the JavaScript libraries and provide tools for fetching and packaging them.

• npm - npm is the package manager for JavaScript.
• Bower - A package manager for the web.
• component - Client package management for building better web applications.
• spm - Brand new static package manager.
• jam - A package manager using a browser-focused and RequireJS compatible repository.
• jspm - Frictionless browser package management.
• Ender - The no-library library.
• volo - Create front end projects from templates, add dependencies, and automate the resulting projects.
• Duo - Next-generation package manager that blends the best ideas from Component, Browserify and Go to make organizing and writing front-end code quick and painless.
• yarn - Fast, reliable, and secure dependency management.
• pnpm - Fast, disk space efficient package manager.
• bun - Bun is a fast JavaScript all-in-one toolkit.

Component Management

• Bit - Create, find and reuse components (React, Angular, Node etc.) across applications.

Loaders

Module or loading system for JavaScript.

• RequireJS - A file and module loader for JavaScript.
• browserify - Browser-side require() the node.js way.
• SeaJS - A Module Loader for the Web.
• HeadJS - The only script in your HEAD.
• lazyload - Tiny, dependency-free async JavaScript and CSS loader.
• script.js - Asynchronous JavaScript loader and dependency manager.
• systemjs - AMD, CJS & ES6 spec-compliant module loader.
• LodJS - Module loader based on AMD.
• ESL - Module loader browser first, support lazy define and AMD.
• modulejs - Lightweight JavaScript module system.

Transpilers

Software that converts the modern JavaScript syntax into the older JavaScript syntax.

• SWC - Extensible Rust-based platform for compilation.

Bundlers

• webpack - Packs CommonJs/AMD modules for the browser.
• Rollup - Next-generation ES6 module bundler.
• Brunch - Fast front-end web app build tool with simple declarative config.
• Parcel - Blazing fast, zero configuration web application bundler.
• Microbundle - Zero-configuration bundler for tiny modules.
• FuseBox - A bundler that does it right
• Snowpack - A lightning-fast frontend build tool, designed for the modern web.
• bundle - A quick online npm package size checker.
• Vite - Next Generation Frontend Tooling.

Minimizers

• Terser - parser, mangler and compressor toolkit for ES6+
• Uglify - parser / mangler / compressor / beautifier toolkit

Type Checkers

• TypeScript - A typed superset of JavaScript that compiles to plain JavaScript.
• Flow.js - A static type checker for JavaScript from Facebook.
• Hegel - A static type checker for JavaScript with a bias on type inference an strong type system.
• TypL - the JavaScript Type Linter with a bias on type inference.
• Hindley Milner Definitions - runtime type checking for JavaScript functions using Haskell-alike Hindley Milner type signatures.
• Zod - TypeScript-first schema validation with built-in static type inference.
• Yup - JavaScript schema builder and validator.

Testing Frameworks

Frameworks

• mocha - Simple, flexible, fun JavaScript test framework for node.js & the browser.
• jasmine - DOM-less simple JavaScript testing framework.
• qunit - An easy-to-use JavaScript Unit Testing framework.
• jest - Painless JavaScript Unit Testing.
• prova - Node & Browser test runner based on Tape and Browserify
• DalekJS - Automated cross browser functional testing with JavaScript
• Protractor - Protractor is an end-to-end test framework for AngularJS applications.
• tape - Tap-producing test harness for node and browsers.
• TestCafe - Automated browser testing for the modern web development stack.
• ava - 🚀 Futuristic JavaScript test runner
• Cypress - Complete end-to-end testing framework for anything that runs in a browser and beyond.
• WebdriverI/O - Next-gen browser and mobile automation test framework for Node.js
• Suites - A unit-testing framework for backends working with inversion of control and dependency injection

Assertion

• chai - BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
• Enzyme - Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.
• react testing library - Simple and complete React DOM testing utilities that encourage good testing practices.
• Sinon.JS - Test spies, stubs, and mocks for JavaScript.
• expect.js - Minimalistic BDD-style assertions for Node.JS and the browser.
• proxyquire - Stub nodejs's require.
• Supertest - A popular HTTP assertion library for testing REST APIs, often used with other testing frameworks like Mocha or Jest
• Pocket Mocker - In-browser visual network mocking tool, supports fetch/XHR interception.

Coverage

• istanbul - Yet another JS code coverage tool.
• blanket - A simple code coverage library for JavaScript. Designed to be easy to install and use, for both browser and nodejs.
• JSCover - JSCover is a tool that measures code coverage for JavaScript programs.

Runner

• phantomjs - Scriptable Headless WebKit.
• slimerjs - A PhantomJS-like tool running Gecko.
• casperjs - Navigation scripting & testing utility for PhantomJS and SlimerJS.
• zombie - Insanely fast, full-stack, headless browser testing using node.js.
• totoro - A simple and stable cross-browser testing tool.
• karma - Spectacular Test Runner for JavaScript.
• nightwatch - UI automated testing framework based on node.js and selenium webdriver.
• intern - A next-generation code testing stack for JavaScript.
• puppeteer - Headless Chrome Node.js API by official Google Chrome team.
• webdriverio - Next-gen WebDriver test automation framework for Node.js.
• taiko - A Node.js library with a simple API to automate Chromium based browsers.
• Playwright - Node.js library to automate Chromium, Firefox and WebKit with a single API.

QA Tools

• prettier - Prettier is an opinionated code formatter.
• JSHint - JSHint is a tool that helps to detect errors and potential problems in your JavaScript code.
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