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JavaScript library for all kinds of color manipulations

Knockout makes it easier to create rich, responsive UIs with JavaScript

jQuery Validation Plugin library sources

The superpowered headless CMS for Node.js — built with GraphQL and React

A Node.js tool to automate end-to-end web testing.

A javascript library for formatting and manipulating numbers.

A modern approach for Computer Vision on the web

:bar_chart: A D3-based reusable chart library

Grid based on CSS3 flexbox

A spinning activity indicator

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

Micro check library

JSHint is a tool that helps to detect errors and potential problems in your JavaScript code

Beautifier for javascript

Validate your forms, frontend, without writing a single line of javascript

tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.

🛤 Detection of elements in viewport & smooth scrolling with parallax.

An easy-to-read, quick reference for JS best practices, accepted coding standards, and links around the Web

E2E test framework for Angular apps

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale.

A renderer agnostic two-dimensional drawing api for the web

i18next: learn once - translate everywhere

No longer maintained, superseded by JS Cookie:

⚡️ The Jamstack framework for Vue.js

A CSS only tooltip library for your lovely websites.

A lightweight carousel library with fluid motion and great swipe precision.

HTML5 <audio> or <video> player with support for MP4, WebM, and MP3 as well as HLS, Dash, YouTube, Facebook, SoundCloud and others with a common HTML5 MediaElement API, enabling a consistent UI in all browsers.

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

Multiple file upload plugin with image previews, drag and drop, progress bars. S3 and Azure support, image scaling, form support, chunking, resume, pause, and tons of other features.

Traceur is a JavaScript.next-to-JavaScript-of-today compiler