Open-source alternatives to Bootstrap Toggle

Flowbite is a cross-framework UI library and design system built as a collection of pre-styled components and layout blocks using Tailwind CSS utility classes. It functions as a TypeScript UI toolkit and a general web framework for creating responsive websites and applications. The project provides a mirroring Figma design system to allow prototyping of components and variants before they are coded. It distinguishes itself through an AI-driven approach to page generation and the creation of design specifications via a command-line interface. The library covers a wide range of interactive int

This project is a Bootstrap jQuery plugin that transforms standard HTML select elements into interactive dropdown menus. It serves as a client-side form enhancement and UI component designed to replace multiple-choice select inputs with a searchable button-triggered menu of checkboxes. The component provides a specialized interface for multi-select dropdowns that maintains a consistent visual style with the Bootstrap CSS framework. It allows for the customization of component markup, enabling the override of default structures for buttons, popups, and options. The plugin covers a range of fu

mdui is a framework-agnostic UI library and design system based on Material Design 3 standards. It provides a comprehensive set of reusable interface elements implemented as native Web Components, ensuring compatibility across different JavaScript frameworks. The library features a sophisticated theming system that supports light and dark modes, as well as the ability to generate dynamic color palettes from seed colors or image sources. It distinguishes itself with a high level of flexibility in visual customization, using CSS custom properties to control design tokens such as typography, cor

CoreUI Free Bootstrap Admin Template is a pre-built, responsive admin dashboard template built on Bootstrap 5 for constructing back-office interfaces. It provides a library of UI components with native wrappers for React, Vue, and Angular applications, alongside a Sass-based theming system for managing brand colors, dark mode, and design tokens via variables and CSS custom properties. The template includes a set of advanced form controls such as autocomplete, date pickers, and multi-step wizards with built-in validation, and supports switching the entire interface between built-in dark and li

Basecoat is a zero-runtime UI library and themable interface framework consisting of a set of accessible web components. It provides a collection of pre-styled interface elements and utility classes designed to function as static assets without requiring a dedicated JavaScript framework runtime. The project features a dedicated UI component scaffolder, providing a command line interface to automate the generation of project folder structures and the installation of component templates. Visual styles are managed through a system of CSS variables and utility classes, allowing for global theme a

TW-Elements is a Tailwind CSS component library and responsive UI kit providing a collection of pre-styled elements and templates. It functions as an interactive web element set and a customizable theme system for building website interfaces and landing pages. The project enables rapid frontend prototyping through a library of functional interface pieces, including modals, navigation bars, and forms. It provides a set of design blocks and sections specifically for creating mobile-first layouts. The library covers responsive web design and Tailwind CSS UI development. This includes the implem

bootstrap-fileinput is a Bootstrap-compatible HTML5 file upload widget and plugin. It provides a customizable interface for selecting and uploading multiple files, featuring integrated image previews, drag-and-drop support, and client-side validation for file types, sizes, and counts. The project includes a resumable file upload client that slices large files into chunks to ensure stability over intermittent connections and allow transfers to be paused and resumed. It also features a client-side image processor capable of resizing images and reading EXIF metadata to automatically correct imag

Walk is a comprehensive framework for building native Windows desktop applications. It functions as a GUI library and Windows API wrapper, providing a toolkit of native widgets and a declarative layout system for developing high-performance user interfaces. The project is distinguished by its data-binding framework, which uses reflection and string-based property paths to synchronize data sources with interface widgets. It also provides specialized support for high-DPI interface scaling and an optimized native message loop to reduce runtime overhead. The toolkit covers a wide range of capabi

Material Tailwind is a responsive web UI framework and component library built with Tailwind CSS. It provides a customizable design system that implements Material Design principles for web applications. The project focuses on a customizable design system, allowing for centralized theme configuration and utility-based styling to maintain visual consistency across interfaces. The library includes a wide range of reusable interface elements, covering layout structures, navigation systems, and overlay components. It provides specialized tools for web form construction, data input controls, and

This project is a neobrutalist UI component library and accessible design system for React. It provides a collection of high-contrast web elements characterized by bold colors, thick borders, and a raw aesthetic. The library distinguishes itself by combining a data visualization toolkit—featuring styled charts and responsive tables—with a comprehensive set of interactive components. It balances this specific visual style with accessibility standards for keyboard navigation and screen readers. The component surface covers a wide range of functional areas, including complex form controls with

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

Vuido is a framework for building native desktop applications for Windows, macOS, and Linux using Vue.js components, without requiring Electron or Chromium. It maps Vue components directly to native widgets from the libui library, creating lightweight applications that run on a single-threaded event loop and compile templates at build time for optimized runtime performance. The framework provides a complete Vue.js component-to-native bridge, enabling two-way data binding via v-model, component-based window composition, and platform-specific package generation for distributing executables. It

Stimulus is a JavaScript behavior framework and client-side logic layer used to add interactive behavior to server-rendered HTML. It functions as a system of DOM component controllers that organize JavaScript logic into classes, allowing developers to enhance server-delivered markup without replacing the rendering process with a client-side framework. The framework uses data attributes to bind JavaScript classes to HTML elements and map DOM events to specific methods through document-level event delegation. It employs a lifecycle manager based on mutation observers to automatically instantiat

cube-ui is a mobile-first Vue.js component library that provides a comprehensive set of pre-built UI elements for building touch-based mobile web applications. The library is built on Vue's single-file component architecture and supports on-demand ES module imports, allowing developers to selectively load only the components they need to optimize bundle size. It also offers plugin-based global registration for convenient setup and includes a CLI scaffolding tool to generate project skeletons with pre-configured build settings. The library distinguishes itself with a gesture-driven interaction

AOS is a scroll-triggered animation library that controls the execution, timing, and mapping of CSS transitions based on element visibility and browser viewport intersections. It functions as a DOM element animation controller and a viewport intersection trigger to initiate visual transitions as elements enter the screen. The library utilizes a custom CSS transition bridge to map scroll-based triggers to CSS class changes, enabling integration with external styling frameworks. It supports anchor-based animation triggers, allowing the visibility of one page element to act as the trigger point

Base UI is a headless component library and unstyled framework providing accessible interface primitives. It decouples behavioral logic and state management from the visual layer, allowing developers to implement complex UI patterns while maintaining total control over the final styling. The library implements WAI-ARIA design patterns to ensure all primitives support standard keyboard navigation and screen reader accessibility. It provides a suite of low-level building blocks that handle the internal mechanics of interface elements without bundling any CSS. The framework covers a broad range

Dunst is a lightweight notification daemon for Linux desktop environments that receives and displays system alerts via the DBus protocol. It functions as a configurable alert service and notification manager, rendering pop-up messages for X11 and Wayland. The project distinguishes itself through a pattern-based rule engine that allows for dynamic alert filtering and conditional modifications of visual styles or behavioral settings based on the sending application or category. It also supports notification workflow automation by triggering external scripts and system commands when specific not

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

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

gluestack-ui is a cross-platform React component library built with Tailwind CSS. It provides over 30 pre-built, accessible components that can be installed by copying their source files directly into a project, giving developers full control over customization without external runtime dependencies. Every component implements WAI-ARIA patterns, keyboard navigation, and screen reader support out of the box. A key differentiator is the copy-paste architecture: rather than a traditional package dependency, component source code is placed in the project, allowing direct editing and eliminating ve

This project is a JetBrains IDE theme plugin and color scheme pack that implements a Material Design UI theme. It provides a comprehensive interface overhaul that replaces standard editor colors and icons with Material Design aesthetics. The plugin focuses on developer workspace personalization by allowing users to apply a consistent visual language to JetBrains development environments. It enables the customization of the IDE appearance through a collection of customizable palettes for code highlighting and user interface elements.

BewlyBewly is a browser extension that customizes the Bilibili homepage, modifying its layout and appearance to deliver a personalized browsing experience without altering the core functionality of the site. It functions as a frontend customization utility, injecting custom CSS and scripts directly into the page context to override default styles and dynamically reapply changes as content loads. The extension is built as a Manifest V3 Chrome extension, using a content script injection system and a DOM mutation observer to ensure customizations persist even as the page updates. It includes a u

Zag is a headless UI state machine library that provides unstyled component logic to ensure consistent behavior across different rendering engines. It functions as a toolkit for modeling complex user interface interactions using statecharts, decoupling the underlying logic and accessibility attributes from visual styling. The library is framework-agnostic, utilizing specialized adapters to bridge its state machine logic with various JavaScript libraries such as React, Solid, Vue, and Svelte. This approach allows developers to maintain a single interaction model while applying any CSS or styli

AniJS is a JavaScript animation library and DOM element animation engine used to orchestrate visual transitions and motion effects on HTML elements. It functions as a tool for composing animated web components, such as modals and menus, to improve the visual flow of user interfaces. The library utilizes a declarative approach to web interface animation, allowing for the application of visual styling and motion effects without requiring manual code for every transition. It enables the creation of interactive UI components that respond to user actions through a system of triggered element anima

Ark is a headless UI component library that delivers accessible, cross-framework primitives with behavior governed by finite state machines. It provides unstyled components that encapsulate logic and accessibility — including full keyboard navigation, focus management, and WAI-ARIA support — while leaving visual styling entirely to the consumer. Components expose scoped data attributes for CSS targeting and use state machines to produce predictable, testable interactive behavior across every state transition. The library distinguishes itself through a state propagation model that distributes

JDA is a Java library that serves as a Discord API wrapper, bot framework, and voice API client. It enables applications to interact with the Discord REST API and real-time gateway to build automated assistants, manage servers, and handle user interactions. The project includes a sharding manager to distribute gateway connections across multiple shards for scaling high-volume deployments. It also provides a UI component library for constructing interactive buttons, select menus, and modal forms within messages. Its capabilities cover voice and audio management, including audio streaming and

Buefy is a lightweight user interface component library built for Vue.js. It serves as a programmatic wrapper for the Bulma CSS framework, providing a set of pre-styled layout utilities, form components, and structural wrappers to ensure a consistent visual identity. The library provides a comprehensive suite of form elements, including specialized date and time pickers, autocomplete inputs, and validation wrappers. It also includes layout tools such as navigation bars, off-canvas sidebars, and modal overlays, as well as notification systems for banners, snackbars, and toasts. Additional cap