JavaScript

Gif.jsjnordberg/gif.js

A fast JavaScript GIF encoder that runs in the browser using web workers and typed arrays.

keras-jstranscranial/keras-js

Run trained Keras models directly in the browser with GPU acceleration via WebGL.

colorQix-/color

Immutable JavaScript library for color conversion, manipulation, and CSS string support.

cubismsquare/cubism

A D3.js plugin for building real-time time series dashboards with Graphite, Cube, and other data sources.

opentype.jsnodebox/opentype.js

A JavaScript library for parsing, manipulating, and generating OpenType and TrueType fonts.

Opalopal/opal

Opal is a Ruby to JavaScript source-to-source compiler with a complete Ruby corelib and stdlib implementation.

closure-librarygoogle/closure-library

Google's comprehensive JavaScript library for building large-scale, maintainable web applications.

Squireneilj/Squire

A lightweight, dependency-free HTML5 rich text editor designed to handle arbitrary HTML with powerful cross-browser normalization.

redaxiosdevelopit/redaxios

A tiny (800-byte) HTTP client with the Axios API, built on native fetch.

Showershower/shower

An HTML, CSS, and vanilla JavaScript presentation engine with themes, keyboard accessibility, and PDF export.

Firebase UIfirebase/firebaseui-web

A JavaScript library providing customizable UI components for Firebase authentication across React, Angular, and Shadcn.

Globalizeglobalizejs/globalize

A JavaScript library for internationalization and localization using official Unicode CLDR JSON data.

effectorzerobias/effector

A state manager for JavaScript apps that implements business logic with ease across React, Vue, Svelte, and more.

react-native-material-kitxinthink/react-native-material-kit

A set of UI components for implementing Material Design in React Native applications.

oboe.jsjimhigson/oboe.js

A streaming JSON parser for JavaScript that delivers parsed objects before the HTTP response completes.

bespoke.jsbespokejs/bespoke

A super minimal, modular presentation micro-framework for modern browsers with a rich plugin ecosystem.

bespoke.jsmarkdalgleish/bespoke.js

A super minimal, modular presentation library for modern browsers with a rich plugin ecosystem.

pensofish/pen

A rich-text editor with live editing and Markdown syntax support, built for modern web applications.

SurveyJSsurveyjs/survey-library

An open-source JavaScript library for building dynamic, JSON-based forms and surveys with native React, Angular, and Vue support.

FitVids.jsdavatron5000/FitVids.js

A lightweight jQuery plugin that makes video embeds fluid and responsive using CSS intrinsic ratios.

Move.jsvisionmedia/move.js

A small JavaScript library for creating CSS3-backed animations with a simple, elegant API.

greenletdevelopit/greenlet

Move an async function into its own Web Worker thread for off‑main‑thread execution.

Password Manager Resourcesapple/password-manager-resources

A collaborative collection of data and code quirks to improve password manager compatibility with websites.

Butterflyalibaba/butterfly

A JavaScript/React/Vue2 diagramming library focused on flow layout and node-based orchestration.

UntrustedAlexNisnevich/untrusted

A meta-JavaScript adventure game where you edit the game's own JavaScript code to solve roguelike puzzles.

ResembleJSHuddle/Resemble.js

Analyze and compare images in JavaScript and Node.js with features like color analysis, visual diffing, and antialiasing detection.

Vibrant.jsjariz/vibrant.js

Extract prominent colors from images in JavaScript, ported from Android's Palette class.

stellar.jsmarkdalgleish/stellar.js

A jQuery plugin for creating smooth parallax scrolling effects on websites.

VueJSvuejs/eslint-plugin-vue

Official ESLint plugin for Vue.js, providing linting rules for Vue single-file components.

FlowType.JSsimplefocus/FlowType.JS

A jQuery plugin that dynamically adjusts font-size based on element width for optimal readability across screen sizes.

SoundJSCreateJS/SoundJS

A JavaScript library providing a consistent API for loading and playing audio across browsers and devices.

mixituppatrickkunka/mixitup

A high-performance, dependency-free JavaScript library for animated filtering, sorting, insertion, and removal of DOM elements.

Phoenixkasper/phoenix

A lightweight macOS window and app manager scriptable with JavaScript for custom keyboard shortcuts and automation.

MapTalks.jsmaptalks/maptalks.js

A lightweight and pluggable WebGL-driven JavaScript library for building high-performance 2D/3D maps with rich 3D features.

Sugarandrewplummer/Sugar

A JavaScript library that extends native objects with useful methods for arrays, dates, numbers, strings, and more.

vim.jscoolwanglu/vim.js

A JavaScript port of Vim that runs in web browsers with ASM.js, persistent configuration, and local file access.