IndexedDB - low-level API for client-side storage of significant amounts of structured data, including files/blobs
ImmortalDB - A relentless key-value store for the browser
PouchDB - JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
store.js - Cross-browser storage for all use cases, used across the web.
BrowserFS - in-browser filesystem that emulates the Node JS filesystem API and supports storing and retrieving files from various backends.
Dexie.js - wrapper library for indexedDB - the standard database in the browser
signals - Manage state with style in every framework
css-what - a CSS selector parser
linaria - Zero-runtime CSS in JS library
polished - A lightweight toolset for writing styles in JavaScript
vanilla-extract - Write your styles in TypeScript (or JavaScript) with locally scoped class names and CSS Variables, then generate static CSS files at build time.
classnames - A simple javascript utility for conditionally joining classNames together
stylus - Expressive, robust, feature-rich CSS language built for nodejs
instagram.css - Complete set of Instagram filters in pure CSS
pattern.css - CSS only library to fill empty background with beautiful patterns
autoprefixer - Parse CSS and add vendor prefixes to rules by Can I Use
PostCSS - Transforming styles with JS plugins
clsx - A tiny (229B) utility for constructing className strings conditionally
postcss - Transforming styles with JS plugins
dropcss - An exceptionally fast, thorough and tiny unused-CSS cleaner
purgecss - PurgeCSS analyzes your content and your css files. Then it matches the selectors used in your files with the one in your content files. It removes unused selectors from your css, resulting in smaller css files.
Skeleton - A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development
css-blocks - High performance, maintainable stylesheets
twind - The smallest, fastest, most feature complete Tailwind-in-JS solution in existence.
normalize.css - A modern alternative to CSS resets
MVP.css - Minimalist classless CSS stylesheet for HTML elements
stylelint - A mighty, modern style linter
stylelint-config-standard - The standard shareable config for stylelint
awesome-stylelint - A list of awesome stylelint plugins, configs, etc.
remark-preset - stylelint org's shareable preset for remark
prettier-config - stylelint org's shareable config for prettier
pure - A set of small, responsive CSS modules that you can use in every web project.
Primer CSS - The CSS design system that powers GitHub
spectre.css - A Lightweight, Responsive and Modern CSS Framework
mui - lightweight CSS framework that follows Google's Material Design guidelines
Semantic-UI - Semantic is a UI component framework based around useful principles from natural language
new.css - A classless CSS framework to write modern websites using only HTML
latex-css - LaTeX.css is a CSS library that makes your website look like a LaTeX document
tufte-css - Style your webpage like Edward Tufte’s handouts
terminal.css - Modern and minimalistic CSS framework for terminal enthusiasts
grayshift - A lightweight front-end component library for developing fast and powerful web interfaces
daisyui - The most popular, free and open-source Tailwind CSS component library
shoelace - A collection of professionally designed, every day UI components built on Web standards. Works with all framework as well as regular HTML/CSS/JS.
shadcn/ui - Beautifully designed components built with Radix UI and Tailwind CSS.
uikit - A lightweight and modular front-end framework for developing fast and powerful web interfaces
bootstrap - The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web
bootstrap4-toggle - Bootstrap 4 Switch Button / Toggle
bootstrap-toggle - Bootstrap Toggle is a highly flexible Bootstrap plugin that converts checkboxes into toggles
design-blocks - A set of 170+ Bootstrap based design blocks ready to be used to create clean modern websites
Start Bootstrap - Free Bootstrap Themes & Templates
tailwindcss-typography - Beautiful typographic defaults for HTML you don't control.
tailwindcss-animate - A Tailwind CSS plugin for creating beautiful animations
daisyui - The most popular, free and open-source Tailwind CSS component library
typewind - The safety of Typescript with the magic of Tailwind.
bulma-helpers - Library with missing Functional / Atomic CSS classes for Bulma framework, which doesn't require Bulma framework to work
BulmaJS - Unofficial javascript extension to the awesome Bulma CSS framework
bulma-templates - free flexbox templates built with the bulma css framework
awesome-bulma-templates - Free real-world templates built with Bulma
mustache - Logic-less templates
liquid - Liquid markup language. Safe, customer facing template language for flexible web apps
Top 6 features you'll want to know about HAML
awesome-design-systems - A collection of awesome design systems
Tabler - HTML Dashboard UI Kit built on Bootstrap
wired-elements - Collection of elements that appear hand drawn. Great for wireframes
perfect-freehand - Draw perfect pressure-sensitive freehand lines.
jsPDF - Client-side JavaScript PDF generation
pdf.js - PDF Reader in JavaScript
KaTeX - Fast math typesetting for the web
xterm.js - Xterm.js is a front-end component written in TypeScript that lets applications bring fully-featured terminals to their users in the browser
tui.tree - Component that displays data hierarchically
nprogress - For slim progress bars like on YouTube, Medium, etc
selectize.js - Selectize is the hybrid of a textbox and 'select' box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
tabulator - Interactive Tables and Data Grids for JavaScript
x-spreadsheet - a javascript spreadsheet for web
simple-data-table - Lightweight and simple data table with no dependencies
tablesort - A small tablesorter in plain JavaScript
gallery - Light, responsive, and performant JavaScript gallery
handsontable - Handsontable is a JavaScript/HTML5 data grid with spreadsheet look & feel
SlickGrid - A lightning fast JavaScript grid/spreadsheet
tui.grid - The Powerful Component to Display and Edit Data. Experience the Ultimate Data Transformer
table - Headless UI for building powerful tables & datagrids for TS/JS for React, Solid, Vue, Svelte and TS/JS.
pretty-checkbox - A pure CSS library to beautify checkbox and radio buttons
MoreToggles.css - A pure CSS library that provides you with a variety of nice-looking toggles
flatpickr - lightweight, powerful javascript datetimepicker with no dependencies
tui.date-picker - Component that selects specific date
tui.calendar - A JavaScript calendar that has everything you need
FullCalendar - A full-sized drag & drop JavaScript event calendar
awesome-spinners - A curated collection of dazzling web spinners
css-loaders - A collection of loading spinners animated with CSS
text-spinners - Pure text, CSS only, font independent, inline loading indicators
animated-burgers - Collection of animated burgers for React, also available as HTML+CSS
hamburgers - Tasty CSS-animated Hamburgers
tui.context-menu - Component that creates a menu when the right mouse button is clicked
multirange - A tiny polyfill for HTML5 multi-handle sliders
anime.js - JavaScript animation engine
Animate.css - A cross-browser library of CSS animations.
trix - A rich text editor for everyday writing
monaco-editor - code editor which powers VS Code, with the features better described here
editor.js - A block-styled editor with clean JSON output
quill - Quill is a modern WYSIWYG editor built for compatibility and extensibility
tui.editor - Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible
editor.md - The open source embeddable online markdown editor (component)
Showdown - A bidirectional Markdown to HTML to Markdown converter written in Javascript
StackEdit - In-browser Markdown editor
stackedit.js - Add StackEdit to any website
markdown-it - Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
Marked - A markdown parser and compiler. Built for speed.
reMarked.js - client-side HTML > markdownclient-side HTML > markdownclient-side HTML > markdown
xgplayer - A HTML5 video player with a parser that saves traffic
plyr - A simple HTML5, YouTube and Vimeo player
videojs-record - video.js plugin for recording audio/video/image files
hero-generator - Hero Generator! Create a nice hero image for your site or app
vex - A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
D3.js - Bring data to life with SVG, Canvas and HTML.
arrows - JavaScript library for drawing diagrams of small graphs, using D3 to generate SVG. Useful for explaining Neo4j graph modelling concepts
Chart.js - Simple HTML5 Charts using the tag
apexcharts.js - Interactive JavaScript Charts built on SVG
highcharts - JavaScript charting library based on SVG and some canvas/WebGL.
charts.css - Open source CSS framework for data visualization.
awesome-chart.js - A curated list of awesome Chart.js resources and libraries
roughViz - Reusable JavaScript library for creating sketchy/hand-drawn styled charts in the browser
flowy - The minimal javascript library to create flowcharts
uPlot - A small, fast chart for time series, lines, areas, ohlc & bars
plotly.js - Open-source JavaScript charting library behind Plotly and Dash
tui.chart - Beautiful chart for data visualization
flot - Attractive JavaScript charts for jQuery
smoothie - really small charting library designed for live streaming data
sprotty - A diagramming framework for the web
particles.js - A lightweight JavaScript library for creating particles
pixi.js - The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer. PixiJS is a rendering library that will allow you to create rich, interactive graphics and cross-platform applications and games without having to dive into the WebGL API or deal with browser and device compatibility.
excalidraw - Virtual whiteboard for sketching hand-drawn like diagrams
rough - Create graphics with a hand-drawn, sketchy, appearance
sigma.js - A JavaScript library aimed at visualizing graphs of thousands of nodes and edges
jquery.adaptive-backgrounds.js - A jQuery plugin for extracting the dominant color from images and applying the color to their parent
rgbaster.js - A simple library for extracting dominant colors from images
tui.image-editor - Full-featured photo image editor using canvas. It is really easy, and it comes with great filters
satori - Enlightened library to convert HTML and CSS to SVG
slick - the last carousel you'll ever need
sweetalert - A beautiful replacement for JavaScript's "alert"
sweetalert2 - A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies
filepond - A flexible and fun JavaScript file upload library
jquery-filepond - A handy FilePond wrapper for jQuery
uppy - The next open source file uploader for web browsers
dragula - Drag and drop so simple it hurts
file-selector - Convert a DragEvent or file input to a list of File objects
interact.js - JavaScript drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers
awesomplete - Ultra lightweight, usable, beautiful autocomplete with zero dependencies
suggestions - A typeahead component for inputs
autocomplete.js - Fast and full-featured autocomplete library
Magic Grid - A simple, lightweight Javascript library for dynamic grid layouts
csslayout - A collection of popular layouts and patterns made with CSS.
flexbugs - A community-curated list of flexbox issues and cross-browser workarounds for them
csslayout - A collection of popular layouts and patterns made with CSS. Now it has 90+ patterns and continues growing
floating-ui - A JavaScript library to position floating elements and create interactions for them. Anchor a floating element next to another element while making sure it stays in view by avoiding collisions. This lets you position tooltips, popovers, or dropdowns optimally.
router-slot - A powerful web component router
turbolinks - turbolinks makes navigating your web application faster
page.js - Micro client-side router inspired by the Express router
ninja-keys - Keyboard shortcuts interface for your website. Working with static HTML, Vanilla JS, Vue, React, Svelte.
tinykeys - A tiny (~400 B) & modern library for keybindings.
html5-boilerplate - A professional front-end template for building fast, robust, and adaptable web apps or sites.
Modern-HTML-Starter-Template - Modern HTML Starter Template
HEAD - A list of everything that could go in the head of your document
wmr - The tiny all-in-one development tool for modern web apps
history - Manage session history with JavaScript
js-worker-search - JavaScript client-side search API with web-worker support
workbox - JavaScript libraries for Progressive Web Apps
htmx - high power tools for HTML. htmx allows you to access AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes, so you can build modern user interfaces with the simplicity and power of hypertext.
partytown - Relocate resource intensive third-party scripts off of the main thread and into a web worker.
jquery - jQuery JavaScript Library
js-search - JS Search is an efficient, client-side search library for JavaScript and JSON objects
lunr.js - small, full-text search library for use in the browser. It indexes JSON documents and provides a simple search interface for retrieving documents that best match text queries.
shift-ctrl-f - Search the information available on a webpage using natural language instead of an exact string match.
searchkit - an open source library which helps you build a great search experience with Elasticsearch. Works with Javascript, React, Vue, Angular, and more.
open-wc - Open Web Components: guides, tools and libraries for modern web development and web components
Polymer - Our original Web Component library
lit - Lit is a simple library for building fast, lightweight web components.
lit-html - An efficient, expressive, extensible HTML templating library for JavaScript
lit-element - A simple base class for creating fast, lightweight web components
awesome-lit-html - A curated list of awesome lit-html resources
weightless - High-quality web components with a small footprint
generic-components - A collection of generic web components with a focus on accessibility, and ease of use
shadow-ui - A UI pattern library with 100+ Web Components, automated screenshot testing, and MDX documentation with Storybook
chameleon - Chameleon Web Components - A collection of lightweight, unidirectional, framework-agnostic elements based on the Chameleon Design System
alpine - A rugged, minimal framework for composing JavaScript behavior in your markup
htm - Hyperscript Tagged Markup: JSX alternative using standard tagged templates, with compiler support
stimulus - A modest JavaScript framework for the HTML you already have
riot - Simple and elegant component-based UI library
fre - One of the smallest and fastest UI libraries with Fiber
mithril.js - A modern client-side JavaScript framework for building Single Page Applications. It's small (10.05 KB gzipped), fast and provides routing and XHR utilities out of the box.
qwik - The HTML-first framework. Instant apps of any size with ~ 1kb JS
astro - The all-in-one web framework designed for speed. ⭐️ Star to support our work!
Cycle.js - A functional and reactive JavaScript framework for predictable code
mitosis - Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.
vike - Like Next.js / Nuxt but as do-one-thing-do-it-well Vite plugin.
solid - A declarative, efficient, and flexible JavaScript library for building user interfaces.
octicons - A scalable set of icons handcrafted with <3 by GitHub
octicons-v2 - A new look for Octicons, GitHub's icon set
tabler-icons - A set of over 450 free MIT-licensed high-quality SVG icons
simple-line-icons - Simple and Minimal Line Icons
feather - Simply beautiful open-source icons
css.gg - 700+ Pure CSS, SVG & Figma UI Icons Available in SVG Sprite, styled-components, NPM & API
ionicons - The premium icon font for Ionic Framework and web apps everywhere
heroicons - A set of free MIT-licensed high-quality SVG icons for UI development
SuperTinyIcons - Miniscule SVG versions of your favourite website and app logos
phosphor-icons - Phosphor Icons, a flexible icon family for everyone
cypress - Fast, easy and reliable testing for anything that runs in a browser
cypress-testing-library - Simple and complete custom Cypress commands and utilities
cypress-example-recipes - Various recipes for testing common scenarios with Cypress
dom-testing-library - Simple and complete DOM testing utilities that encourage good testing practices
jest-puppeteer - Run your tests using Jest & Puppeteer
jest-dom - Custom jest matchers to test the state of the DOM
jest-preview - Debug your Jest tests. Effortlessly.
msw - Client-side API mocking using Service Workers
sinon - Test spies, stubs and mocks for JavaScript
mimic - Mimic is a tool for mocking server responses on the client side.
user-event - Simulate user events
testcafe - A Node.js tool to automate end-to-end web testing.
You Don't Need jQuery - Examples of how to do query, style, dom, ajax, event etc like jQuery with plain javascript.
jquery-tips-everyone-should-know - A collection of tips to help up your jQuery game
dom101 - DOM manipulation utilities, aka: Stop using jQuery
cash - An absurdly small jQuery alternative for modern browsers
html-dom - Common tasks of managing HTML DOM with vanilla JavaScript. Give me 1 starif it’s useful.
snabbdom - A virtual DOM library with focus on simplicity, modularity, powerful features and performance.
Awesome jQuery - A curated list of awesome jQuery plugins, resources and other shiny things.
Front-End Performance Checklist - Design and code with performance in mind
Front-End Checklist - The Front-End Checklist is an exhaustive list of all elements you need to have / to test before launching your website / HTML page to production.
storybook - UI component dev & test: React, Vue, Angular, React Native, Ember, Web Components & more
design-system - Storybook Design System
userbase - Create secure and private web apps using only static JavaScript, HTML, and CSS
size-limit - Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.
supabase - The open source Firebase alternative.
highlight - The open source, full-stack monitoring platform. Error monitoring, session replay, logging and more.
webpack - webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
webpack-blocks - Configure webpack using functional feature blocks
Webpack5-Boilerplate - Sensible Webpack 5 boilerplate using Babel, PostCSS and Sass with a hot dev server and an optimized production build.
webpack-bundle-analyzer - Webpack plugin and CLI utility that represents bundle content as convenient interactive zoomable treemap
parcel - Blazing fast, zero configuration web application bundler
rollup - Next-generation ES module bundler
turbo - Incremental bundler and build system optimized for JavaScript and TypeScript, written in Rust – including Turbopack and Turborepo.
vite - Next generation frontend tooling. It's fast!
awesome-vite - A curated list of awesome things related to Vite.js
Jscrambler - JavaScript protection technology for Web and Mobile Applications. Its main purpose is to enable JavaScript applications to become self-defensive and resilient to tampering and reverse engineering.
UglifyJS - JavaScript parser / mangler / compressor / beautifier toolkit
terser - JavaScript parser, mangler and compressor toolkit for ES6+
javascript-obfuscator - A powerful obfuscator for JavaScript and Node.js
Figma - Figma is the first interface design tool based in the browser, making it easier for teams to create software
guess - Libraries & tools for enabling Machine Learning driven user-experiences on the web
servor - Dependency free file server for single page app development
api-viewer-element - API documentation and live playground for Web Components
fuite - A tool for finding memory leaks in web apps
blob-util - Cross-browser utils for working with binary Blobs
frontend-tools - Useful tools to frontenders
browserslist - Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-preset-env
front-end-interview-handbook - Almost complete answers to "Front-end Job Interview Questions" which you can use to interview potential candidates, test yourself or completely ignore
Front-end-Developer-Interview-Questions - A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore
frontend-challenges - Listing some playful open-source's challenges of companies to test your knowledge
functional-frontend-architecture - A functional frontend framework
Resources-Front-End-Beginner - The most essential list of resources for Front-End beginners
frontend-dev-bookmarks - Manually curated collection of resources for frontend web developers.
vanillawebprojects - Mini projects built with HTML5, CSS & JavaScript. No frameworks or libraries
100-days-of-code-frontend - Curriculum for learning front-end development during #100DaysOfCode
50projects50days - 50+ mini web projects using HTML, CSS & JS
vanillawebprojects - Mini projects built with HTML5, CSS & JavaScript. No frameworks or libraries
30-seconds-web - Website infrastructure for 30-seconds projects
frontend-case-studies - A curated list of technical talks and articles about real world enterprise frontend development
frontend-guidelines - Some HTML, CSS and JS best practices
web-skills - A visual overview of useful skills to learn as a web developer
awesome-html5 - A curated list of awesome HTML5 resources
design-resources-for-developers - Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more
frontend-development - A curated list of resources for Frontend development
awesome-css-learning - A tiny list limited to the best CSS Learning Resources
awesome-css - A curated contents of amazing CSS
css-protips - A collection of tips to help take your CSS skills pro
30-seconds-of-css - Short CSS code snippets for all your development needs
css-refresher-notes - CSS Refresher
CSS-Guidelines - High-level advice and guidelines for writing sane, manageable, scalable CSS
You-need-to-know-css - CSS tricks for web developers
CSS-Guidelines - High-level guidelines for writing manageable, maintainable CSS
You-Dont-Need-JavaScript - CSS is powerful, you can do a lot of things without JS
awesome-css-variables - A curated list of all awesome libraries and resources for CSS Variables
css-modules - Documentation about css-modules