Open-source alternatives to Weui Wxss

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

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

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

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

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

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

98.css is a CSS retro UI framework and component library designed to recreate the visual aesthetic of legacy desktop operating systems. It serves as a retro design system and web UI emulator, providing a collection of styles to build faithful reproductions of vintage user interfaces. The framework employs a CSS-only component architecture to emulate classic software environments. It uses border-shadow emulation and state-based visual transitions to simulate physical button presses and three-dimensional panels without requiring external JavaScript logic. The library covers a wide range of int

This project is a comprehensive design system framework for building accessible, responsive, and consistent web interfaces. It provides a centralized architecture for managing visual properties and standardized component blueprints, ensuring that branding and interaction patterns remain uniform across diverse applications. The framework distinguishes itself through an accessibility-first approach, embedding semantic markup and inclusive design standards directly into its component blueprints. By utilizing a design-token-driven styling system, it centralizes visual values like typography, spac

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

Wux is a component-based UI framework and library designed specifically for building user interfaces within the WeChat Mini Program platform. It provides a collection of reusable and extensible components that function as a cross-device UI kit to ensure a consistent look and feel across different screen sizes and devices. The framework implements a modular frontend component architecture, allowing developers to create responsive layouts using pre-styled visual elements. It utilizes a system of customizable components to maintain visual consistency across the WeChat ecosystem. The project cov

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

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

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

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

Object-Oriented CSS (OOCSS) is a CSS methodology and framework that structures stylesheets around reusable, composable classes. Its core principle is separating layout and structure from visual design, allowing the same structural classes to work with different visual treatments. The approach encourages styling elements based on their own properties rather than their location in the DOM, making components portable across different contexts. The methodology is built on class composition, where complex visual patterns are created by combining multiple single-purpose CSS classes on a single elem

UI Kitten is a cross-platform mobile UI library and design framework for building mobile interfaces. It provides a collection of reusable, accessible visual components and layout blocks that strictly follow the Eva Design System specifications. The library features built-in support for dynamic theming, allowing applications to switch between light and dark modes or custom color schemes at runtime. It utilizes a token-based color mapping system and a shared context provider to ensure visual consistency across all screens. The framework includes a library of standardized production-ready eleme

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

Material is a mobile user interface framework designed for building responsive and consistent native applications. It provides a declarative component architecture that allows developers to construct complex interfaces through modular, self-contained elements that manage their own state and rendering logic. The framework distinguishes itself through a constraint-based layout engine that calculates component geometry by solving spatial relationships between elements, ensuring layouts adapt automatically to varying screen sizes. It also features a hierarchical design system that propagates styl

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

DGElasticPullToRefresh is a Swift pull-to-refresh component for iOS that provides a bouncy, elastic animation effect for scrolling lists. It serves as a specialized table view extension that triggers content updates via a downward swipe gesture. The component uses bezier paths and spring physics to render curved visual elements, simulating a flexible stretching effect during user interaction. This physics-based approach governs the movement and bounce of the interface to create a fluid feel. The system manages gesture-driven states and coordinate transformations to shift the view hierarchy.

Buefy is a user interface component library built specifically for Vue.js applications. It provides a collection of pre-styled interface elements and a responsive web UI kit designed to implement the Bulma CSS framework's styling and grid system. The project enables rapid frontend prototyping by offering a standardized library of semantic UI elements. These components allow for the creation of flexible layouts that automatically adjust to different screen sizes and devices. The library covers broad capabilities for responsive web design and the construction of user interfaces through the int

Bootstrap-vue is a Vue.js UI framework and component library that integrates Bootstrap CSS styling and utility classes into a component-driven development workflow. It provides a set of pre-styled interface elements and layout patterns designed for building responsive web user interfaces. The library functions as a bridge between Bootstrap and Vue.js, allowing developers to create responsive web layouts and reusable frontend components such as navbars, alerts, and modals. It focuses on bringing Bootstrap's design system into a Vue.js application environment. The framework covers core capabil

Mint-UI is a mobile interface toolkit and component-based UI framework designed for Vue.js applications. It provides a collection of pre-styled user interface components specifically optimized for mobile devices and touch-based navigation. The library focuses on mobile UI development and responsive design, offering a set of layout and interaction elements tailored for mobile viewport constraints to ensure visual consistency across different screens. The framework utilizes a modular architecture that integrates a CSS-based styling system with Vue's reactivity model, using prop-driven configur

SpinKit is a UI component library and CSS animation library focused on providing a collection of animated loading indicators and spinners. It serves as a set of lightweight visual transitions designed to create motion and feedback within web interfaces. The library implements these indicators using pure CSS rendering and keyframe animations to notify users of active background processes. It uses a class-based styling system and minimal HTML structures to render visual cues without relying on scripts or images. Appearance can be adjusted through CSS variables and custom styles to modify color

This project is a community-driven directory of open-source Android libraries focused on user interface development. It serves as a centralized knowledge base that organizes high-quality third-party tools into a structured, categorical taxonomy to assist developers in discovering reliable solutions for mobile application design. The repository distinguishes itself by providing a version-agnostic index that links directly to external project resources, bypassing the need for complex dependency management. To facilitate rapid evaluation, each entry is paired with visual asset indexing, includin

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

Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis