Developers can create custom, reusable, encapsulated HTML tags for the web using Web Components. Components use the Custom Element standard, frequently in combination with the Shadow DOM, HTML Templates, and ES Modules.
A web-component to add code editors to your web page powered via Ace Editor
A web component that allows you to run high level programming languages on your websites (static websites included!)
npm init stencil
The New York State Design System helps state agencies build fast, accessible, mobile-friendly applications and sites.
A highly customizable chat Web Component that integrates easily with shadcn - works with any framework (React, Vue, Angular, Svelte, etc.)
Polymer element for displaying slides in a carousel
Vaadin Charts is a feature-rich interactive graph library that answers the data visualization needs of modern web applications
Web Components IDE
JavaScript library and custom HTML element for generating Aruco marker images
Smart Table Community is an open-source, highly customizable Table UI component that works seamlessly with React, Angular, Vue, Javascript & Blazor
A thin, full-stack, web framework — Powered by Vite and Lit SSR. Works with Node's HTTP or WHATWG Fetch.
Build Plugins for CSS tagged-template-literals
A grid for the future, CSS Grid Layout + Web Components (Custom Elements v1 + Shadow DOM v1)
Minimalistic Vue.js based documentation system component
ZephJS is an easy, understandable, and ultra-light framework for defining and using Web Components.
The Web Interaction Library that eases the burden of creating AJAX-based web applications
LWC plugins and utilities for testing
Intelligence Community UI Kit (based on StencilJS)
LWC Storybooks PoC
Utilities for common patterns that help you build your Progressive Web App
Web-components library.
An announcement banner web component.
Example applications utilizing calcite-components
The Web Component library built on Open Web Standards & Adaptive UI technologies
🕑 Dosify your time (version 2, retired)
Are We Componentized Yet (retired)
A starter kit for developing PWAs in a lerna monorepo including a web-component design-system in Typescript.
Starter Kit for Web Components with Webpack as application bundler.
🎨 Tiny Hue picker for any framework!
Write html components directly in python and you have a beautiful but controversial MIXTure
Web Components On Fire
Pretty JSON HTML Custom Element
Context for Web Components
A no-dependency component library for the web
Rails helpers for https://shoelace.style, the design system.
"Jira Search Helper" is a project to search more detail view and support highlight than original jira search
:tada: A helper function to easily modify Shadow DOM CSS.
A collection of awesome Polymer resources.
The standards-based Web Components multitool. Generate Custom Elements Manifests, Dev Server, LSP, and MCP for your app or design system
Material Web Components for React ⚛
Language server that surfaces Web Components metadata, completions, and diagnostics. This includes the IDE extensions and CLI tools for integration.
The epic event-driven browser language for UI with functionality in one-liner CSS. Over 100 incredible CSS commands for DOM manipulation, ajax, reacti...
A web component for using projectfluent.org/
URL & local first client side actions for the browser omnibox
Vonage's web UI 🎨 toolbelt
An API guide outlining best practices for constructing highly reusable UI components on the Web
A web component that shows Lighthouse scores via Speedlify.
:octocat: A web component for github corners. Can be used anywhere.
Ignite UI Dock Manager Web Component provides means to manage the layout of your application.