Open-source alternatives to React

This project is a React-based administrative template and UI kit designed for building dashboards. It provides a comprehensive collection of pre-styled layouts, an accessible component library, and a Sass-based UI framework for creating administrative interfaces. The template is specifically structured as an AI-optimized project, utilizing coding patterns and organization designed to help AI assistants generate consistent, production-ready React code. It features a flexible styling system using Sass variables and CSS custom properties to support customizable light and dark themes. The kit co

Primer is a CSS design system framework and utility library used to build consistent user interfaces based on a unified visual language. It provides a collection of CSS rules, utility classes, and pre-defined style sheets for styling standard interface elements. The framework implements frontend visual standardization through a shared set of utility classes and design system rules. This allows for the creation of reusable interface elements and the rapid development of web interface layouts. The system utilizes a BEM-based naming convention, design-token mapping, and CSS variable-based themi

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

This project is a design system toolkit and component library that provides a framework-agnostic approach to building web interfaces. It centers on an HTML-first development model, utilizing standard markup and utility-based CSS classes to construct consistent, responsive layouts. The library is built upon the UIkit 3 framework, allowing for the integration of pre-styled interface elements while maintaining control over the underlying markup structure. It further extends these capabilities through web component encapsulation, using custom elements to provide modular and isolated interface log

TDesign is an enterprise design system and cross-platform UI component library. It provides a comprehensive set of design guidelines and reusable interface elements intended for building consistent professional business applications across different operating systems and browsers. The project utilizes a design token system to centralize visual variables for colors and typography, allowing for corporate brand customization. It ensures a uniform look and feel through shared UI specifications and a centralized set of visual variables. The system includes a UI framework starter kit with command

Theme-ui is a React theme framework and CSS-in-JS utility used for building themeable user interfaces. It functions as a design system tool that establishes centralized, constraint-based scales for colors, typography, and spacing to ensure visual consistency across applications. The framework distinguishes itself through an array-based responsive shorthand for mobile-first layouts and a dedicated color mode manager that synchronizes with browser preferences and persists user selections. It also features a system for creating named style variants to control component appearance via properties

This project is an enterprise design system and web interface framework that provides a React component library for building consistent user experiences. It serves as a design-to-code workflow bridge, synchronizing product design tools with frontend implementation to accelerate development speed. The framework focuses on design-to-code synchronization and the construction of enterprise design systems. It enables the standardization of visual components and the composition of complex web and mobile screens using unified interface elements and layout patterns. The library implements a design-t

EUI is a React UI component library and design system framework. It provides a collection of reusable, typed interface components and visual guidelines to ensure a unified user experience across web application layouts. The project functions as a themed UI toolkit, enabling the management of visual aesthetics and the ability to toggle between light and dark modes. It incorporates a CSS-in-JS styling library for defining custom styles and rulesets for individual application elements. The framework covers broad capability areas including design system implementation, custom interface styling,

Element Plus is a Vue.js UI component library and enterprise web design system used for building professional web applications with Vue.js 3. It provides a comprehensive set of pre-styled interactive components and tools designed for creating responsive user interfaces. The project includes a customizable component theme system for managing global CSS variables and dark mode palettes. It also features a Vue.js migration toolkit with automated transpilation tools to convert legacy UI code to current component standards. The library covers a wide range of capability areas, including high-perfo

Coss is an accessible UI component library and design system framework used to build web interfaces. It provides a comprehensive kit of interactive elements and layout building blocks that follow screen reader and keyboard navigation standards. The project functions as a UI overlay management library, offering specialized tools for implementing anchored popovers, tooltips, and slide-out panels with smooth transitions. It includes a set of accessible form primitives and selection controls to ensure compatibility across different assistive technologies. Its broader capabilities cover the const

The United States Web Design System is a government design system and accessible UI framework. It provides a collection of standardized CSS and JavaScript components, along with a CSS component library, specifically designed for building consistent federal government websites. The system allows for custom CSS theme development through the use of design tokens for colors, spacing, and typography. Users can customize visual themes and compile custom styles to maintain a unified brand identity across multiple web properties. The framework covers responsive interface design and web accessibility

Skeleton is a design system and accessible UI component library built on Tailwind CSS. It provides a collection of pre-built interactive components with built-in accessibility and state management, alongside a CSS custom properties theme engine that enables runtime theme switching and dark mode support. The project distinguishes itself through its adaptive design system approach, using CSS custom properties to create themeable tokens that integrate directly with Tailwind's utility-first framework. This allows developers to build visual design systems with customizable colors, fonts, and aesth

shadcn-vue is an accessible design system framework and UI component library for Vue applications. It provides a collection of accessible, unstyled interface elements and pre-designed building blocks styled with Tailwind CSS, all of which are built on top of Radix Vue primitives. The project utilizes a command line interface to install specific components and themes directly into a local project directory rather than as pre-compiled dependencies. This distribution model allows users to own and modify the source code locally to create a custom design language. The library covers a broad range

Ant Design Vue is a comprehensive UI component library and enterprise design system for Vue. It provides a collection of reusable user interface elements designed specifically for building professional web applications and complex business software. The project functions as a server-side rendering framework, enabling the generation of HTML on the server to increase initial page load speeds and improve search engine visibility. It is designed for the implementation of corporate design systems and the construction of data-heavy internal tools, such as admin dashboards. The library covers broad

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

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

This project is a React UI component library and design system framework. It provides a collection of reusable interface elements and an accessible component toolkit designed to meet web accessibility standards and responsive design requirements. The framework enforces visual uniformity through a design system that uses centralized design tokens for colors, spacing, and typography. It includes a standardized SVG icon set to provide consistent visual cues and markers across user interfaces. The library covers the implementation of design systems through token-based styling and the development

Spartan is a development framework and design system toolset that combines a headless UI component library with a full-stack application scaffolder. It provides accessible, unstyled primitives that separate behavioral logic from visual styling, while automating the creation of development environments with end-to-end type safety across API and database layers. The project distinguishes itself by utilizing a component distribution model that copies styled source files directly into the local codebase to prevent dependency-based style locking. It also functions as an AI context server, using a

Buttons is a CSS button framework and UI component library providing a set of reusable visual elements for mobile and desktop web environments. It functions as a CSS utility system and variable-driven theming engine that enables the creation of consistent buttons using configurable typography and shapes. The system utilizes a modular CSS architecture where independent style and color classes are composed on single elements to produce varied visual effects, such as 3D or flat designs. It employs a declarative design framework that maps configuration options to real-time visual attributes via c

Topcoat is a CSS UI framework and component library used for building web application interfaces. It serves as a design system implementation that provides a set of reusable styled elements and layout primitives to ensure visual consistency across web pages. The system utilizes a BEM-based styling architecture to manage specificity and prevent style leakage. It combines a utility-first CSS library for common layout and spacing needs with a responsive CSS grid that adjusts based on viewport width. The framework covers front end styling, responsive web development, and rapid UI prototyping. It

Taiga UI is an Angular UI component library and accessible design system used for building enterprise web interfaces. It provides a comprehensive collection of reusable interface elements and layout tools, functioning as a mobile-first UI kit with responsive components that adapt to different device capabilities. The library distinguishes itself through an integrated data visualization library featuring various chart types and a dedicated form management framework with built-in validation and formatting for specialized data. It also features AI-driven development workflows by integrating comp

Bulma is a design-agnostic CSS framework that provides a collection of pre-styled interface components and layout primitives. It is built to be independent of specific JavaScript frameworks or build tools, allowing developers to construct responsive web interfaces by applying standardized classes directly to semantic HTML markup. The framework distinguishes itself through a utility-first approach that combines modular component styling with a flexible grid system. It leverages native CSS variables to manage design tokens, enabling real-time visual customization, automatic dark mode adaptation

ChatUI is a React conversational UI library and framework designed for building messaging interfaces. It provides a set of components for creating conversation flows, including message bubbles, input areas, and structured message hierarchies. The library distinguishes itself through specialized AI agent interface features, such as the visualization of an agent's reasoning process and simulated typing animations that render text character-by-character. It also includes a system of pre-designed conversational card templates for rendering banners, selection lists, and questionnaires within a cha

Blueprint is a React UI component library and web design system focused on accessibility and the creation of data-dense interfaces. It provides a standardized framework of visual styles and reusable interface elements for building professional desktop applications. The toolkit is specifically optimized for displaying complex information and large datasets, featuring high-performance interactive data grids for rendering and manipulating data. The library covers a broad range of capability areas, including the construction of form inputs, navigation systems, and content layout management. It a

Arco Design Vue is a Vue component library and design token system used to build consistent user interfaces. It provides a collection of pre-made visual components that handle common layout and interaction patterns. The framework features a tree-shakable architecture, allowing the removal of unused components and styles to reduce the final application bundle size. It utilizes a configuration framework based on JSON to customize colors, spacing, and visual styles across a project. The library covers broad capabilities for responsive web design and custom design system creation. It employs a t

Pico is a lightweight, classless CSS framework designed to provide consistent, accessible, and responsive visual defaults for web interfaces. By prioritizing semantic HTML tags, it allows developers to build clean, structured pages without the need for complex class names or heavy dependencies. The framework functions as a comprehensive design system that automatically applies styling to standard elements, ensuring that typography, spacing, and layout remain cohesive across different screen sizes. The framework distinguishes itself through a modular, variable-driven architecture that emphasiz

Stitches is a CSS-in-JS library and near-zero runtime CSS engine designed to define styles in JavaScript with minimal overhead. It functions as a variant-based styling framework and a tool for server-side rendered CSS, ensuring styles are extracted and rendered on the server to prevent layout shifts during client hydration. The project distinguishes itself through a structured variants API, allowing for the creation of multiple visual states for components that can be toggled via properties. It implements a system for design system development, focusing on high-performance UI styling and the