Open-source alternatives to Weui

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.

Fomantic-UI is a component-based CSS library and frontend design system used to build consistent, responsive user interfaces. It functions as a CSS framework and responsive UI toolkit, providing a structured approach to managing typography, color palettes, and spacing. The project enables the development of custom UI components and the implementation of unified design systems across web applications. It provides a variable-driven theme compilation process to customize visual styles and a build-time system to compile selected components into production CSS bundles. The toolkit covers a broad

Semantic-UI is an HTML and CSS UI framework consisting of a themed component library and a responsive layout framework. It provides a collection of reusable interface components and a grid-based system of columns and containers designed to build responsive websites. The framework is distinguished by its use of natural-language class naming, which maps human-readable CSS classes to specific visual styles. It also functions as a right-to-left UI toolkit, utilizing directional mirroring to adjust visual flow and element alignment for languages read from right to left. The system covers frontend

hint.css is a pure CSS tooltip library and styling framework used to create accessible informational pop-ups. It functions as a lightweight user interface component that transforms ARIA attributes into visible tooltips without the use of JavaScript. The framework is designed to be customizable, offering a system of configurable class prefixes to prevent naming conflicts within larger web projects. It utilizes a BEM-inspired namespace to ensure stylesheets remain conflict-free when integrated into existing environments. The library covers a range of UI capabilities, including directional posi

This project is a CSS-based library that provides custom visual themes for standard checkbox and radio button inputs. It functions as an extension for the Bootstrap framework, allowing developers to enhance the appearance of selection controls while maintaining native input functionality without the need for additional JavaScript logic. The library distinguishes itself by utilizing pure CSS techniques to manage visual states and component aesthetics. It employs a hidden-input-overlay pattern and state-driven selectors to ensure that custom designs respond automatically to native browser state

Layui is a web UI component library, frontend layout framework, and CSS asset optimizer. It provides a collection of pre-styled visual elements and layout patterns used to build browser-native web interfaces. The framework enables the composition of structured web pages through standardized design assets and CSS components. It includes tools for compressing stylesheets and resolving imports to improve loading speeds across different web browsers. The library covers web UI development and frontend layout composition, facilitating rapid interface prototyping by assembling functional frontends

This project is a UI component library and web layout framework providing pre-made interface elements and blocks for production-ready web applications. It functions as an AI design system that combines a collection of reusable components with a Model Context Protocol server to enable AI coding agents to discover and install interface elements. The system distinguishes itself through AI-driven automation, using the Model Context Protocol and schema-driven configurations to integrate design rules and installation commands directly into AI agents. This allows for the programmatic implementation

Papercss is a CSS UI framework and document-style design system used to build responsive web page layouts. It functions as a Less-based CSS library that applies a paper-like aesthetic and structured typography to give web pages the appearance of physical documents. The project also incorporates a utility-first CSS library model for rapid styling. The framework is distinguished by its ability to automate visual decorations, such as applying rotating border styles and shadow effects to child elements. It utilizes a Less-based variable system and modular stylesheet compilation, allowing users to

UnoCSS is an atomic CSS engine and utility-first framework that generates styles on-demand based on the specific classes used in your source code. By scanning your project files during the build process, it produces only the CSS necessary for your application, effectively minimizing bundle size and eliminating unused styles. The engine distinguishes itself through a highly modular, configuration-driven architecture that allows for deep customization of design tokens, rules, and presets. It supports advanced styling patterns such as attribute-based styling, tag-based styling, and dynamic varia

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

Ratchet is a web-based mobile UI framework and component-based library designed to create responsive mobile application interfaces. It provides a CSS mobile layout system that allows for the development of application frontends using standard web technologies. The framework focuses on mobile app interface design and rapid prototyping, utilizing pre-styled visual elements to ensure consistent styling across various screen sizes and resolutions. The system employs a CSS-only approach to define interactive states and layouts, incorporating a grid-based responsive layout and utility-first styles

Vux is a mobile web UI kit and Vue mobile UI library consisting of predefined layout and interface components. It functions as a WeUI component framework that implements a standardized design language for web applications. The library provides a collection of reusable interface elements optimized for mobile browser screen dimensions and touch interactions. It ensures visual consistency across different mobile devices by mapping component styles directly to the WeUI mobile design specification. The framework covers mobile web interface design, mobile UI development, and the rapid assembly of

Spectre is a comprehensive CSS framework and UI utility toolkit designed for building responsive web interfaces. It functions as a CSS component library that provides pre-styled interface elements and helper classes to facilitate frontend UI development. The framework is distinguished by a pure-CSS component architecture that avoids dependence on external JavaScript runtimes. It utilizes a SASS-based build pipeline that supports class prefixing, stylesheet pruning, and a variable-based theme system for creating custom design systems. The project covers a wide range of layout and interface ca

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

Vant is a mobile UI library and component framework for Vue, providing a collection of lightweight, reusable interface elements optimized for small screens and touch interactions. It serves as a mobile component library and accessible web UI kit designed to integrate with Vue's reactivity and state management. The framework functions as a themable design system, allowing for visual branding and dark mode support through customizable theme variables. It includes built-in tools for internationalization to localize user interfaces across different geographic regions. The library covers a broad

inuit.css is a Sass-based CSS framework and design system tool focused on building scalable user interfaces. It serves as a modular preprocessor system that utilizes BEM architecture and OOCSS patterns to structure stylesheets into reusable components and layout abstractions. The framework distinguishes itself by separating structural layout logic from visual skinning, allowing for the creation of design-agnostic layout objects. It employs a configuration-driven build process where developers can use feature switches and variable overrides to inject design tokens and selectively include only

Pure is a CSS UI framework and modular component library designed for building consistent web layouts and interface components. It functions as a responsive CSS grid system and a CSS reset library that normalizes default browser rendering to ensure a uniform appearance across different web environments. The project provides standalone styles for common interactive elements such as buttons, menus, forms, and tables. It utilizes a modular architecture that allows for the inclusion of specific style modules and employs namespace isolation to prevent visual conflicts between components. The fram

instagram.css is a CSS image filter library and a pure CSS UI component. It provides a collection of predefined stylesheets designed to apply photographic filters and color grading to web images. The library achieves these visual effects without the use of JavaScript or external image processing libraries. It uses a system of CSS filter functions to orchestrate brightness, contrast, and saturation, mapping specific aesthetic names to hardcoded property sets. The project covers client-side image processing and frontend UI customization. It allows for the application of photo filters to create

Lit is a library for building lightweight, interoperable web components. It provides a base class that leverages native browser APIs to encapsulate state, logic, and styles, allowing developers to create custom elements that function consistently across any modern web project. The framework distinguishes itself through a reactive property system that automatically triggers efficient, batched DOM updates. By utilizing tagged template literals, it defines declarative UI structures that are compiled into optimized update instructions. Its architecture emphasizes modularity through a reactive con

Light Bootstrap Dashboard is a framework for constructing administrative interfaces and management backends. It provides a collection of pre-styled components and responsive layouts designed to facilitate the development of custom web applications and internal tools. The project distinguishes itself through integrated data visualization capabilities, allowing for the rendering of interactive charts and graphs to track business metrics, sales trends, and user engagement patterns. It includes specific tools for monitoring campaign performance and system status, supported by an event-driven noti

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

This is a CSS UI framework and design system implementation used to build user interfaces that match the visual design of Office and Microsoft 365. It provides a standardized set of typography, color palettes, and grid layouts to ensure a consistent visual appearance across web applications. The framework is designed for enterprise design system implementation, specifically for Microsoft 365 UI development and the styling of Office add-ins. It includes a dedicated iconography library of standardized icons to represent common actions and objects. The system utilizes a token-driven design appr

weui-wxss is a mobile design system and UI framework designed for the WeChat Mini Program development environment. It provides a collection of reusable components and predefined styles to ensure interfaces match the native WeChat look and feel. The library focuses on implementing a native WeChat user experience by translating mobile design mockups into working code using standardized visual guidelines. It manages the visual appearance of applications through a consistent set of stylesheets tailored for the WeChat runtime. The framework includes capabilities for style management and the imple

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

wux-weapp is a component-based UI library designed specifically for the WeChat Mini Program environment. It provides a collection of standardized, reusable, and extensible building blocks to create consistent layouts and interactions across mobile application pages. The framework functions as a cross-platform interface kit that enables frontend interface standardization and a rapid prototyping workflow. It allows for the construction of professional mobile UI designs by utilizing pre-styled visual elements instead of writing custom styles and logic from scratch. The library incorporates a BE

Konsta is a cross-platform mobile design system and native-style component library. It provides a collection of pre-made user interface components built with Tailwind CSS to create mobile application views that maintain a consistent native appearance across different mobile operating systems. The library focuses on native interface emulation, applying design systems that mimic the official visual styles and guidelines of iOS and Android. It uses platform-specific style mapping and design-system-based theming to ensure hybrid or web applications look like native apps. The framework covers mob

Material Design Lite is a Material Design UI library and CSS design system. It serves as a front-end component framework providing a collection of HTML, CSS, and JavaScript components that implement the Material Design visual language for web applications. The project enables the implementation of Material Design components and a standardized design language to maintain a consistent look and feel across user interfaces. It supports frontend UI development and responsive web styling through pre-built components. The library facilitates rapid web prototyping by providing pre-styled components