JavaScript

Material UI is a comprehensive React component library implementing Google's Material Design, providing a large set of ready-made, customizable, accessible UI components and a powerful theming/styling system.

Svelte is a UI framework that works as a compiler, turning declarative component code into lean, framework-less JavaScript that updates the DOM directly rather than relying on a runtime virtual DOM.

caveman is an open-source JavaScript project in the claude space with 69.8k GitHub stars. The repository is actively maintained, with recent commits.

express is an open-source JavaScript project in the frameworks space with 69.1k GitHub stars. The repository is actively maintained, with recent commits.

webpack is an open-source JavaScript project in the build tools space with 65.8k GitHub stars. The repository is actively maintained, with recent commits.

GSD (Get Shit Done) is a spec-driven development framework for AI coding agents that combines meta-prompting and context engineering with a set of slash commands, configurable workflows, and role-based agents to take a project from idea through implementation to a shipped PR.

Gatsby is a React-based static site and web application framework that pulls data from many sources (CMSs, APIs, Markdown) through a GraphQL data layer and pre-renders pages for fast, SEO-friendly delivery. It pioneered the "build-time data sourcing + hydration" model for content-heavy sites.

prettier is an open-source JavaScript project with 52k GitHub stars. It is associated with angular, ast, css, flow. The repository is actively maintained, with recent commits.

chinese-poetry is an open-source JavaScript project with 51.8k GitHub stars. It is associated with chinese, chinese-poetry, ci, json. The repository is actively maintained, with recent commits.

awesome-cheatsheets is an open-source JavaScript project with 46k GitHub stars. It is associated with backend, bash, cheatsheet, cheatsheets. The repository has seen commits within the last year.

Meteor is a full-stack JavaScript platform for building reactive web and mobile applications, bundling a build system, an isomorphic client/server data layer with real-time syncing, and integration with frontend libraries like React, Vue, Blaze, and Svelte.

Parcel is a zero-configuration web application bundler that automatically detects and transforms assets (JS, CSS, HTML, images, and more) out of the box, using a multicore architecture and persistent caching for fast builds.

A community-maintained archive documenting the leaked and extracted system prompts of major commercial AI chatbots and coding agents — Claude, ChatGPT, Gemini, Grok, Perplexity, Copilot and others — organized by vendor, model version, tool, and persona, often with diffs between releases.

Phaser is a fast, open-source HTML5 game framework for building 2D games that run in browsers and can be packaged for mobile and desktop. It bundles a rendering engine (WebGL/Canvas), physics, input, audio, and scene management into a single cohesive toolkit.

Materialize is a responsive front-end CSS/JS framework that implements Google's Material Design language, providing styled HTML components, layout grids, and interactive JavaScript widgets out of the box.

drawdb is an open-source JavaScript project with 37.3k GitHub stars. It is associated with database-schema, diagram-editor, editor, erd. The repository is actively maintained, with recent commits.

Fastify is a high-performance Node.js web framework built around a powerful plugin/encapsulation architecture and JSON Schema-based validation and serialization. It aims to minimize per-request overhead while keeping a clean, developer-friendly API for building HTTP APIs and services.

TodoMVC is a reference project that implements the same standardized Todo application across most popular JavaScript frameworks and UI libraries, letting developers compare syntax, structure, and idioms side by side. It also serves as the basis for the cross-browser Speedometer benchmark and a clean spec for AI coding agents.

Vuex is the formerly-official centralized state management library for Vue.js, providing a single store with predictable, mutation-controlled state and Vue devtools integration for time-travel debugging. It has been superseded by Pinia as Vue's recommended state solution and is now in maintenance mode.

mongoose is an open-source JavaScript project with 27.5k GitHub stars. It is associated with mongo, mongodb, nodejs, odm. The repository is actively maintained, with recent commits.

Quasar is a Vue.js-based framework that bundles a rich Material Design component library with build tooling, letting developers ship SPAs, SSR apps, PWAs, mobile (Cordova/Capacitor), Electron desktop apps, and browser extensions from one codebase.

Rollup is a JavaScript module bundler that compiles ES modules into optimized output across multiple formats (ESM, CommonJS, UMD, IIFE), with aggressive tree-shaking to eliminate unused code. It's widely used for bundling libraries and underpins build tools like Vite.

request is an open-source JavaScript project with 25.5k GitHub stars.

p5.js is an open-source JavaScript project with 23.7k GitHub stars. It is associated with art, creative-coding, design, education. The repository is actively maintained, with recent commits.

passport is an open-source JavaScript project with 23.5k GitHub stars. It is associated with express, nodejs, oauth, oauth2.

mocha is an open-source JavaScript project with 22.9k GitHub stars. It is associated with bdd, browser, javascript, mocha. The repository is actively maintained, with recent commits.

parse-server is an open-source JavaScript project with 21.4k GitHub stars. It is associated with baas, backend, file-storage, graphql. The repository is actively maintained, with recent commits.

Mobile-Security-Framework-MobSF is an open-source JavaScript project with 21.2k GitHub stars. It is associated with android-security, api-testing, apk, cwe. The repository is actively maintained, with recent commits.

Tabler Icons is a large set of 6,000+ free MIT-licensed SVG icons, all drawn on a 24x24 grid with a customizable 2px stroke. It ships in multiple formats (raw SVG, sprite, webfont) and as framework components for React, Vue, Angular, and Svelte.

SvelteKit is the official application framework for Svelte, built on Vite, providing filesystem-based routing, server-side rendering, data loading, form actions, and deployment adapters for a range of hosting platforms.

Trix is a WYSIWYG rich text editor from 37signals (creators of Rails) that powers writing in Basecamp. Rather than relying on contenteditable/execCommand directly, it treats the browser's editable surface as an I/O device, mapping input onto an internal document model and re-rendering to produce clean, consistent HTML.

Snowpack is an ESM-first frontend build tool that leverages native JavaScript modules in the browser to deliver near-instant, unbundled development. Rather than rebuilding entire bundles on each change, it builds each file once and caches it, only rebuilding what changes.

superagent is an open-source JavaScript project with 16.6k GitHub stars. The repository has seen commits within the last year.

dva is a lightweight React and Redux application framework that wraps redux, redux-saga, and react-router behind a minimal API. It organizes state into Elm-inspired models composed of reducers, effects, and subscriptions, reducing the boilerplate of the traditional Redux ecosystem.

A vanilla-JavaScript WYSIWYG editor that replicates Medium.com's inline, selection-triggered toolbar experience, turning elements or textareas into contentEditable regions with customizable buttons and extensions.

A collection of 20+ small front-end projects built with plain HTML, CSS, and vanilla JavaScript (no frameworks or libraries), accompanying Brad Traversy's web projects course. Each project is a self-contained example covering DOM manipulation, browser APIs, and interactive UI patterns.

jasmine is an open-source JavaScript project with 15.8k GitHub stars. It is associated with jasmine, javascript, tdd, testing. The repository is actively maintained, with recent commits.

Riot.js is a tiny, component-based UI library that brings a custom-tag authoring model to the browser, letting you write HTML-centric components with inline scripts, lifecycle hooks, and one-way data flow without a virtual DOM.

Browserify lets you write Node-style modules using require() and bundle them into a single file that runs in the browser, resolving the CommonJS dependency graph and shimming Node core modules. It pioneered the idea of bringing npm packages to the front end.

CodeSandbox-client is the open-source web application powering CodeSandbox, a browser-based online IDE for building, prototyping, and sharing web projects. It bundles, runs, and previews JavaScript/web apps entirely in the browser, with sharing and collaboration baked in.

A webpack plugin and CLI tool that visualizes the contents of bundle output as an interactive zoomable treemap, parsing minified bundles to reveal each module's real stat, parsed, and compressed (gzip/Brotli/Zstandard) sizes to aid bundle-size optimization.

Detox is an open-source JavaScript project with 11.9k GitHub stars. It is associated with android, automation, e2e-tests, hacktoberfest. The repository is actively maintained, with recent commits.

nightwatch is an open-source JavaScript project with 11.9k GitHub stars. It is associated with automated-testing, chromedriver, end-to-end-testing, hacktoberfest. The repository is actively maintained, with recent commits.

A jQuery-based plugin that turns plain HTML tables into feature-rich data tables for Bootstrap, adding sorting, pagination, row selection, AJAX/JSON loading, card and detail views, localization, and a large extension ecosystem—configurable largely through HTML data attributes.

A webpack plugin that automatically generates an HTML file (or processes a template) and injects your bundled script and CSS tags into it, handling hashed filenames so the markup always references the correct assets. It works with zero configuration and exposes hooks for an ecosystem of companion plugins.

CKEditor 5 is a TypeScript-built, modular WYSIWYG rich-text editor and framework with a custom document model, virtual DOM rendering, and a large plugin ecosystem covering everything from basic formatting to real-time collaborative editing, comments, and track changes.

testcafe is an open-source JavaScript project with 9.9k GitHub stars. It is associated with browser, e2e, end-to-end-testing, functional-testing. The repository is actively maintained, with recent commits.

Pencil is an open-source GUI prototyping and wireframing tool built as a cross-platform desktop application on Electron, offering built-in stencils, multi-page documents, and export to image/PDF formats.

ducks-modular-redux is an open-source JavaScript project in the state management space with 9.6k GitHub stars.

A UI kit that layers Google's Material Design styling on top of Bootstrap 4, providing a large library of pre-built components, animations, icons, and templates. This jQuery-based version is the legacy v4 release, with the project now steering users toward a Bootstrap 5 successor.

Onsen UI is an open-source library of mobile-optimized UI components for building hybrid and progressive web apps with a native iOS/Android look and feel. It ships framework-agnostic web components that integrate with React, Angular, Vue, and plain JavaScript, and pairs well with Cordova/PhoneGap.

VvvebJs is a dependency-free, vanilla JavaScript drag-and-drop page builder library built around Bootstrap 5, letting users visually assemble HTML pages from components, sections, and blocks with live code editing, undo/redo, and server-side save/export via included PHP or Node scripts.

gridsome is an open-source JavaScript project in the build tools space with 8.5k GitHub stars.

Vue Native is a (now deprecated) framework for building cross-platform native mobile apps using Vue.js syntax. It acts as a thin wrapper over React Native's APIs, letting developers write single-file Vue components that compile down to React Native components for iOS and Android.

Microbundle is a zero-configuration bundler for small JavaScript and TypeScript libraries, built on Rollup. It reads your package.json and emits optimized CJS, UMD, ESM, and modern ES2017 bundles with Babel transpilation, Terser minification, and TypeScript typings out of the box.

Unstated is a minimalist React state management library that lets you share component-like state across the tree using small Container classes built on React's Context API. It deliberately stays tiny, treating containers as plain classes with a setState-style API rather than acting as a Redux replacement.

A thin React wrapper around the framework-agnostic Final Form library, providing subscription-based form state management where only components depending on changed state re-render. It ships with zero bundle-affecting dependencies and a small footprint.

metroui is an open-source JavaScript project in the ui components space with 7.1k GitHub stars. The repository has seen commits within the last year.

webhook.site is an open-source JavaScript project with 6.6k GitHub stars. It is associated with angular, frontend, laravel, push-notifications. The repository is actively maintained, with recent commits.

metro is an open-source JavaScript project with 5.6k GitHub stars. It is associated with bundler, javascript, react-native. The repository is actively maintained, with recent commits.

Aimeos is a full-featured, API-first e-commerce platform built for Laravel, offering REST/GraphQL APIs, a complete admin backend, and support for multi-vendor, multi-channel, and multi-warehouse storefronts that scale from a handful to billions of items. It can be installed standalone, added to an existing Laravel app, or run headless for SPA/PWA frontends.

react-snap is a build-time prerendering tool that uses headless Chrome (via Puppeteer) to crawl a deployed single-page app and emit static, pre-rendered HTML for each route. It improves perceived performance and SEO without requiring server-side rendering infrastructure.

harp is an open-source JavaScript project with 5k GitHub stars. The repository has seen commits within the last year.

javascript-datastructures-algorithms is an open-source JavaScript project with 4.9k GitHub stars. It is associated with algorithm, avl-tree, binary-tree, data-structures. The repository is actively maintained, with recent commits.

basecoat is an open-source JavaScript project in the ui components space with 4k GitHub stars. The repository is actively maintained, with recent commits.

node-rate-limiter-flexible is an open-source JavaScript project with 3.6k GitHub stars. It is associated with bruteforce, drizzle, dynamodb, express. The repository is actively maintained, with recent commits.

A minimal React state management library from RisingStack built on transparent reactive proxies. You wrap state objects with `store()` and components with `view()`, then mutate state with plain JavaScript and components re-render automatically based on which store properties they read.

YellowLabTools is an open-source JavaScript project with 2.5k GitHub stars.

Cerebral is a declarative state and side-effects management library for JavaScript frameworks that provides type-safe, reactive state management across React, Vue, Preact, Inferno, and Angular with a monorepo-based architecture.

github-action is an open-source JavaScript project with 1.5k GitHub stars. It is associated with actions, cypress, cypress-io, github-actions. The repository is actively maintained, with recent commits.

hippie is an open-source JavaScript project with 558 GitHub stars.