Open-source alternatives to Patternfly Elements

A collection of accessible, free, open-source web components for building Brightspace applications.

AXA CH UI component library. Please share, comment, create issues and work with us!

This project is a web component framework and optimized web markup standard designed for high performance web development. It provides a system for building fast-loading websites using a specialized set of HTML components and scripts, complemented by a web performance validation suite to ensure markup compliance. The framework includes a dynamic HTML template engine for rendering data-driven content without full page reloads and a dedicated ad network integration framework. This integration system manages third-party advertisements with built-in viewability metrics and optimized loading seque

With the Vega component, you can display Vega-Altair charts in your Plotly Dash application. All features work as well with Vega-Lite and Vega specifications but the remainder of this README will focus on Altair as it is more common.

Spectrum Web Components

Ariakit is a headless component library and accessible UI component toolkit. It provides a set of unstyled web components with built-in accessibility patterns to ensure that screen readers and keyboard navigation function correctly. The project includes an adaptive color engine that calculates high-contrast text and dynamic surface colors for light and dark modes. It also features a concentric layout engine for computing nested padding, margins, and border radii for circular interface elements, alongside a design token system for managing global CSS variables. The toolkit covers broad capabi

Atomico a micro-library for creating webcomponents using only functions, hooks and virtual-dom.

Yew components, based on PatternFly:

For the end-user documentation, click here. This project made with LitElement and based on a modified version of the LitElement TypeScript starter.

Custom Element Wrapper for Stripe.js v3 Elements

🚀🌛 Use the Launch Platform 👩‍🚀👨‍🚀

MUICSS-yew is a component library for Yew framework based on the lightweight MUI CSS framework.

This project is a community-maintained open source directory that serves as a comprehensive index of React components and libraries. It functions as a technical knowledge base, mapping common development challenges to vetted third-party solutions to help developers accelerate their frontend workflows and avoid reinventing standard interface elements. The directory distinguishes itself through a decentralized, hyperlink-centric architecture that avoids hosting code locally, instead pointing users directly to external repositories. This content is curated through a collaborative model where com

Ant Design is an enterprise-grade component library and design system framework built for developing complex, data-heavy web applications. It provides a comprehensive collection of pre-built, state-driven interface elements that map data properties to rendered components, ensuring consistent interaction patterns and visual language across large-scale projects. The library distinguishes itself through a robust styling architecture that utilizes design tokens and hierarchical configuration providers to propagate global settings like themes, locale, and layout direction. By employing component-l

Carbon Design System variant on top of Web Components

Chakra UI is a design system component library and styling framework that provides a foundation for building consistent, accessible web interfaces. It functions as a centralized theme configuration engine, using a design-token-driven architecture to manage visual properties like color palettes and spacing rules as a single source of truth across an entire application. The framework distinguishes itself through a type-safe styling utility that automatically generates TypeScript definitions from theme configurations, ensuring accurate property referencing and editor autocompletion. It employs a

🧬 Progressive Web Components.

Collection of Web Components by Clever Cloud

React hooks implementation of Google's Thanos easter egg

Components for interactive scientific writing, reactive documents and explorable explanations.

Swagger UI for MCP servers — explore, test, and visualize any Model Context Protocol server with rich components (charts, tables, pipelines). No LLM required.

⚡️ Useful pipes for Angular with no external dependencies!

🌟 DataFormsJS 🌟 A minimal JavaScript Framework, standalone React and Web Components, and JSX Compiler for rapid development of high quality websites and single page applications.

Atoms for Blaze UI