JavaScript

istanbulgotwarlost/istanbul

A JavaScript code coverage tool that computes statement, line, function, and branch coverage with module loader hooks.

i18nexti18next/i18next

A popular internationalization framework for JavaScript that provides flexible translation capabilities across all environments.

jsFuckaemkei/jsfuck

An esoteric JavaScript style that writes and executes any code using only six characters: []()!+.

PraisonAIMervinPraison/PraisonAI

A low-code multi-agent AI framework that automates complex tasks with planning, research, coding, and delivery to messaging platforms.

jquery-cookiecarhartl/jquery-cookie

A simple, lightweight jQuery plugin for reading, writing, and deleting browser cookies.

deeplearn.js - Hardware-accelerated deep learning and linear algebra (NumPy) library for the webPAIR-code/deeplearnjs

WebGL-accelerated machine learning library for JavaScript with linear algebra and automatic differentiation.

Embla Carouseldavidcetinkaya/embla-carousel

A lightweight, dependency-free carousel library with smooth fluid motion and precision swiping.

mediaelementjohndyer/mediaelement

A unified HTML5 audio/video player with consistent UI across browsers, supporting MP4, WebM, MP3, HLS, Dash, YouTube, and more.

isomorphic-gitisomorphic-git/isomorphic-git

A pure JavaScript implementation of Git that works in Node.js and browsers without native dependencies.

chaichaijs/chai

A BDD/TDD assertion library for Node.js and browsers that pairs with any JavaScript testing framework.

EaselJSCreateJS/EaselJS

A JavaScript library for building high-performance interactive 2D graphics and animations on the HTML5 Canvas.

GraphQL VoyagerAPIs-guru/graphql-voyager

Visualize any GraphQL API as an interactive graph for exploring and understanding data models.

fine-uploaderFineUploader/fine-uploader

A dependency-free JavaScript library for robust file uploads with drag-and-drop, progress bars, and cloud storage support.

qrcodesoldair/node-qrcode

A robust QR code generator for Node.js and browsers with CLI, canvas, SVG, and terminal output.

EJSmde/ejs

A simple templating language that lets you generate HTML markup with plain JavaScript.

Pikadaydbushell/Pikaday

A lightweight, dependency-free JavaScript datepicker with modular CSS for easy styling.

Litegraph.jsjagenjo/litegraph.js

A JavaScript library for creating and editing node-based graphs in the browser, similar to Unreal Blueprints, with a built-in HTML5 Canvas2D editor.

F2antvis/F2

A mobile-first, interactive charting library with a grammar of graphics for building 50+ chart types across H5, Node.js, and mini-programs.

Brainharthur/brain

A simple feed-forward neural network library for JavaScript, enabling machine learning tasks like pattern recognition and function approximation.

montypydantic/monty

A minimal, secure Python interpreter written in Rust for safely executing AI-generated code with microsecond startup times.

SlideoutMango/slideout

A lightweight, dependency-free JavaScript library for creating touch-enabled slideout navigation menus in mobile web apps.

Slideoutmango/slideout

A lightweight, dependency-free JavaScript library for creating touch-enabled slideout navigation menus in mobile web apps.

woutermolefrog/wouter

A minimalist-friendly ~2.2KB routing library for React and Preact apps, built with hooks.

Progressbar.jskimmobrunfeldt/progressbar.js

A JavaScript library for creating responsive, animated SVG progress bars with customizable shapes and animations.

simple-peerfeross/simple-peer

A simple WebRTC wrapper for establishing video, voice, and data channels between browsers and Node.js.

Laddahakimel/Ladda

A JavaScript library that adds visual loading indicators to buttons, bridging the gap between user actions and feedback.

cropperfengyuanchen/cropper

A simple jQuery image cropping plugin that provides an intuitive interface for selecting and manipulating image regions.

markdown-jsevilstreak/markdown-js

A JavaScript Markdown parser with intermediate JSON representation for flexible processing.

Glide.jsjedrzejchalubek/glidejs

A dependency-free JavaScript ES6 slider and carousel that's lightweight, flexible, and fast.

NeverThrowsupermacro/neverthrow

A TypeScript/JavaScript library providing a Result type for type-safe error handling without exceptions.

jQuery-menu-aimkamens/jQuery-menu-aim

jQuery plugin that intelligently detects cursor intent for dropdown menus, enabling responsive mega dropdowns like Amazon's.

Flickitymetafizzy/flickity

A touch-friendly, responsive, and flickable carousel library for modern web interfaces.

Dynamic.jsmichaelvillar/dynamics.js

A JavaScript library for creating physics-based animations with spring, bounce, and easing effects.

Lozad.jsApoorvSaxena/lozad.js

A lightweight (~1kb) pure JavaScript lazy loader for images, iframes, and other elements using IntersectionObserver API.

clapprclappr/clappr

An extensible, plugin-oriented, HTML5-first media player for the web with a modular architecture.

dc.jsdc-js/dc.js

A multi-dimensional charting library that works natively with crossfilter and renders using d3.js.