Open-source alternatives to Patternfly Yew

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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

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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.

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

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

Atoms for Blaze UI

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

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

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.

React-bits is a comprehensive toolkit for web development that combines a library of interactive motion primitives with a command-line interface for component management and AI-assisted coding. It provides a framework for implementing declarative motion states and specialized typography animations, allowing developers to build responsive, gesture-enabled interfaces that respond to user input. The project distinguishes itself through a remote registry system that allows for the direct injection of modular UI source code into local project directories. It also features a protocol-based bridge t

htm is a build-less markup engine and JavaScript template parser that transforms template literals into element creation calls or structured objects during runtime. It serves as a hyperscript HTML template library and a utility for generating markup compatible with virtual DOM libraries. The library allows for the creation of HTML-style markup using standard JavaScript tagged template literals, removing the requirement for an external transpiler or build-step compiler. It distinguishes itself by mapping template strings to custom functions that transform types and properties into specialized

One platform component library.