Open-source alternatives to React Spectrum

PrimeReact is a comprehensive UI component library for building interactive user interfaces with React. It provides an accessible component suite, a form input framework, and a data visualization toolkit designed to meet accessibility standards through built-in keyboard navigation and focus management. The library features a themed design system that allows for visual customization via pre-defined skin sets or an unstyled mode. This unstyled mode decouples component behavior and accessibility logic from the presentation layer, enabling the implementation of custom corporate design systems. C

Evergreen is a React UI component library and design system framework. It provides a collection of pre-styled, accessible interface elements used to build consistent web applications. The library functions as a server-side rendered UI kit, allowing components to generate HTML on the server to improve page load speeds and search engine visibility. It includes a centralized styling layer for managing colors, typography, and spacing through custom UI theming. The framework covers accessible web design and enterprise interface design, utilizing a token-based styling system to maintain a uniform

Base Web is a React UI component library and design system implementation. It provides a collection of reusable interface elements and a responsive web framework designed to enforce a consistent visual language and layout across digital products. The project focuses on enterprise design systems and responsive web design, offering tools that automatically adapt user interfaces to fit various screen sizes and devices. It incorporates accessible interface design to ensure components follow standards for users with disabilities. The library utilizes a theme-based design token system and a compos

Semi Design is a React UI component library and design token system used to build web application frontends. It provides a collection of pre-built interface elements and a framework of visual constants to maintain consistent branding across a product. The project features a design-to-code workflow that converts visual design drafts into production-ready React code and stylesheets. It includes an internationalization framework for adapting interfaces to different languages and text layouts, as well as a web component wrapper to isolate UI elements for use in SDKs and browser plugins. The libr

rsuite is a React UI component library and enterprise design system used to build professional web interfaces. It functions as a themable component suite and localized UI toolkit, providing the necessary tools for developing data-heavy administrative dashboards and internal applications. The library is distinguished by its built-in support for server-side rendering to improve initial page load speeds and search engine visibility. It includes a global provider for managing consistent visual styles and high-contrast modes, alongside a translation layer for interface localization and date format

This project is a component-based UI framework and a React Material Design library. It provides a comprehensive set of reusable interface elements that implement Google Material Design specifications to ensure consistent visual styles and behaviors across web applications. The framework enables the construction of professional layouts for enterprise web interfaces and the rapid prototyping of frontend designs. It uses a collection of pre-designed React components to standardize layouts and accelerate the overall development process. The system integrates a styling engine and theme-based inje

This project is a comprehensive design system framework and component library built for React. It provides a suite of modular, accessible, and themeable interface elements designed to maintain a unified visual language and brand alignment across complex web applications. By encapsulating interaction logic and styling within individual components, it enables developers to build consistent, responsive interfaces through declarative composition. The library distinguishes itself by prioritizing inclusive user experiences through built-in accessibility management, including standardized keyboard n

Fluent UI is a design system framework and TypeScript UI toolkit providing a comprehensive set of styles and accessibility guidelines. It functions as a React UI component library and a web component library, offering a collection of pre-styled elements and layout utilities to create a cohesive visual experience across web platforms. The project translates a brand design language into a functional library of reusable components, ensuring cross-product visual consistency. It enables the implementation of design systems for enterprise web applications through the use of standardized visual and

Ionic Framework is a cross-platform UI toolkit and hybrid app framework used to build native-quality mobile and progressive web applications using HTML, CSS, and JavaScript. It functions as a web component library that enables the deployment of a single codebase across iOS, Android, and the web. The framework features a platform-adaptive design system that automatically switches the visual style of components to match the design patterns of the host operating system. It utilizes a web-component-based architecture with CSS custom properties for global theming and specialized bindings to synchr

Eros-FE is a TypeScript web frontend designed as a React-based single page application. It provides a component-driven user interface for interacting with backend services and managing application state through a type-safe client. The project utilizes a client-side route manager to swap visible components without full page refreshes and employs a CSS-in-JS styling framework to tie component logic directly to visual presentation. The application covers frontend interface design, client-side state management, and the integration of browser interfaces with backend APIs.

uillayouts is a comprehensive design system consisting of interactive components, responsive templates, motion-enhanced UI kits, and advanced visual effect toolkits. It provides a collection of accessible React UI components and pre-designed layout sections for landing pages. The project is distinguished by a specialized visual effects library and motion-driven components. It features high-performance graphical enhancements such as glassmorphism, mesh gradients, noise overlays, and SVG masking, alongside interactive elements that utilize physics-based animations and cursor-tracking effects.

Ant Design Mobile is a mobile UI component library and design system built for React. It provides a collection of pre-styled interface elements and standardized UI blocks used to create consistent, responsive user interfaces for mobile web applications. The framework focuses on mobile web design and frontend interface engineering, providing tools to implement interaction patterns tailored for touch-based browsing. It ensures a uniform look and feel across different mobile browsers and handheld device screens. The library incorporates responsive layout systems and CSS-variable-based theming.

react-dropzone is a reusable React UI component for implementing HTML5 drag-and-drop file transfers. It provides a React file upload component that manages file selection and drop zone states within a web application. The project enables the creation of interactive file upload interfaces where users can drag files from their local system or select them via a file browser. It integrates with the native system file picker dialog and supports the File System Access API.

Polaris React is a production-ready component library that implements Shopify's Polaris design system for building consistent merchant-facing admin interfaces. It provides a comprehensive set of reusable React components, including accessible form inputs, data display elements, layout and navigation structures, and visual feedback indicators, all styled through a semantic color token system applied via CSS custom properties for dynamic light and dark mode support. The library distinguishes itself with an icon-first visual language featuring over 400 commerce-specific SVG icons delivered as fi

React Bootstrap is a frontend component framework and responsive UI kit that translates the Bootstrap CSS framework into a React-based component architecture. It provides a collection of reusable, pre-styled interface elements and grid systems designed for consistent, responsive web development. The library distinguishes itself by wrapping raw HTML markup in React components to manage accessibility and stateful behaviors. It utilizes a centralized theme provider to propagate global configuration and breakpoints, while employing portal-based rendering for overlays to prevent clipping issues.

Tamagui is a cross-platform user interface framework designed to build high-performance, themeable applications that share logic and styling across web and mobile environments. It functions as a comprehensive design system orchestrator, providing a collection of type-safe components that compile to optimized atomic CSS for the web and native code for mobile platforms. By utilizing a build-time compiler, the framework eliminates runtime overhead, ensuring consistent visual output and interaction behavior regardless of the target platform. The framework distinguishes itself through its advanced

React95 is a React UI component library and themed framework designed to emulate the aesthetic of a nineties desktop operating system. It provides a collection of reusable interface elements that allow developers to build web applications with a nostalgic visual style. The library functions as a design system centered on a Windows 95 theme. It utilizes a centralized theme provider to manage global color palettes and styling across the application. The framework covers retro UI development through a set of pre-styled components and themed interface design tools. These capabilities enable the

This project is an enterprise-grade admin dashboard boilerplate and starter kit built on Ant Design Vue. It provides a complete administrative interface with pre-designed pages, navigation patterns, and a professional design system to accelerate the development of business applications. The toolkit features a centralized visual theme configuration system for modifying style variables to meet specific brand requirements. It also includes a multi-language interface system for internationalization and a dedicated development kit for mocking API data using local JSON files. The scaffolding cover

Frontend Workshop from HTML/CSS/JS to TypeScript/React/Redux

Primitives is a library of unstyled, accessible building blocks designed for creating complex interface elements in React. It functions as a headless component framework, providing the underlying logic, state management, and accessibility compliance while leaving all visual styling and design decisions entirely to the developer. The library distinguishes itself through a composition-based architecture that allows developers to build interactive interfaces by nesting small, single-purpose components. This system automatically handles complex requirements such as WAI-ARIA attribute injection, f

React is a JavaScript library for building user interfaces through the composition of modular, self-contained components. It employs a declarative programming model where developers describe the desired visual state, and the library automatically manages the underlying document updates and state synchronization. By utilizing a virtual representation of the document, it calculates and applies minimal changes to the browser, ensuring efficient rendering even in complex applications. The library distinguishes itself through a sophisticated scheduling system that manages rendering work in increme

Carbon is an enterprise design system that provides a comprehensive collection of reusable UI components, design tokens, and guidelines for building professional web applications. It functions as a CSS framework that enforces a unified design language across projects through standardized typography, spacing, and color palettes. The system utilizes a platform-agnostic design token system to maintain visual consistency across different technologies. This includes centralized management of brand colors, motion easing curves, and a curated library of accessible SVG icons. The framework covers a

This project is a centralized repository and delivery system for branding assets and development environment themes. It serves as a static asset host that provides brand images, logos, and media files via a content delivery network for use by external applications. The project provides an integrated theme and icon pack for editors and terminals, featuring hand-curated color schemes and a custom file icon set mapped to specific extensions and folders. It utilizes a JSON-schema-driven configuration system to apply consistent visual styling and contrast levels across different platforms. Additi

Flat-UI is a collection of responsive UI toolkits and CSS libraries used to build websites and interactive web components with a flat design aesthetic. It provides a responsive frontend toolkit and a web component library based on the Bootstrap framework to create adaptive layouts. The library focuses on implementing a consistent flat design through predefined hex color palettes and typography styles. It replaces standard browser elements with customized visual styles to remove skeuomorphic depth. The toolkit covers a broad range of interface capabilities, including customized form elements

react-styleguidist is a living documentation generator and development environment for React components. It enables the creation of a shareable style guide that displays interactive component examples and property lists derived from markdown files. The tool provides an isolated workspace for building and testing user interface elements independently from a main application. This supports a design system workflow by allowing the management of reusable component libraries in a dedicated space for development and documentation. The system implements a static site generation approach to convert

Grommet is a React UI framework and accessible component library designed for building themed user interfaces. It provides a responsive design system and a themed interface toolkit to ensure inclusive user experiences across various screen sizes and device orientations. The framework emphasizes accessible UI development by providing pre-styled elements that follow web accessibility standards for screen readers and keyboard navigation. It enables the implementation of custom themes through a centralized system that manages visual styles and design tokens. The toolkit covers responsive web des

Varlet is a Vue 3 material design component library and cross-platform UI framework. It provides a collection of reusable interface elements based on Material Design 2 and 3 standards for building responsive web applications. The library features integrated support for internationalization and multi-language content localization. It includes a theming system that utilizes CSS variables to enable dark mode, color scheme toggling, and custom branding. The toolkit is designed for server-side rendering to improve initial page load speeds and search engine optimization. It includes responsive com