Open-source alternatives to Vaul

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

PanModal is an iOS UI library used to create draggable bottom sheet modals that slide up from the bottom of the screen. It provides a programmatic interface for managing the layout, height, and state of these overlay panels, allowing content to be presented over a main view without navigating away from the current screen. The library includes a pan gesture coordinator that synchronizes touch movements between the draggable container and internal scrollable content. This ensures that sliding the modal and scrolling within its content do not conflict. The framework covers custom presentation l

React Native Reanimated Bottom Sheet is a cross-platform mobile component library that provides a gesture-driven sliding bottom sheet component for iOS and Android applications. The component renders panels anchored to the bottom of the screen, allowing users to drag and snap them to predefined heights. The library supports touch tracking and drag behaviors across custom headers, content areas, and inner scrollable elements. Panel configuration covers height layout rules using pixel values and percentages, custom border radiuses, snap points, initial states, and imperative controller referenc

This is an Android bottom sheet component and modal interface designed to provide a dismissible sliding panel that overlays content from the bottom of the screen. It serves as a replacement for standard dialogs and menus, acting as a foreground view that implements Material Design depth, elevation, and shadow patterns. The project functions as a view animation framework that coordinates real-time scaling and translation of background content as the panel slides. It manages the visual transition between expanded, peeked, and dismissed states through a state machine. The component supports hos

XPopup is an Android popup UI framework and overlay component library used to build customizable dialogs, bottom sheets, and overlay views. It serves as a dialog engine for creating high-performance popup views and provides a toolkit for executing entrance and exit transitions. The library is distinguished by its ability to render ultra-long, high-resolution images using memory-efficient loading and drag-to-dismiss interactions. It supports displaying overlay views while an application is in the background through system overlay permissions. The framework covers anchor-based positioning for

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

React Native Raw Bottom Sheet is a cross-platform mobile UI component that renders custom sliding modal panels and action menus rising from the bottom of the screen. It provides a native application interface overlay designed for mobile app development to display custom content, menus, and forms. The component supports customizable sheet behavior, allowing developers to configure animation durations, custom dimensions, and visual styling for the root backdrop, container view, and draggable handles. Dismissal and interaction mechanics include backdrop mask interception, downward drag gestures,

Modal bottom sheet is a cross-platform mobile UI framework plugin for Flutter that renders advanced modal bottom sheets and interactive overlay components. It provides a specialized routing mechanism for custom route-based modal presentations, layout utilities for edge-to-edge safe area inset handling, gesture interception systems for nested scroll view coordination, and navigation structures for sequential modal overlay stacking. The library supports platform-adaptive widget styling that dynamically switches between Material Design and iOS Cupertino visual guidelines based on the host platfo

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.

SWRevealViewController is an iOS container view controller and navigation transition component used to create reveal view interfaces. It functions as a side menu controller that slides a primary view to expose a secondary navigation panel or hidden content. The project enables the creation of layered UI where a main screen moves away from the edges via pan and tap gestures to reveal a background side menu. It manages the visual transitions and animation behaviors required to switch between these stacked view controllers. The system handles nested interface layers and view controller manageme

BulletinBoard is a SwiftUI component library and interface framework for iOS. It provides a set of reusable elements designed to render interactive, accessible information cards at the bottom of a screen to guide users through onboarding and configuration tasks. The framework functions as an onboarding UI kit, offering pre-defined card templates and the ability to create custom layout structures. These components are built with integrated accessibility support to ensure that interface updates and interaction states are announced to screen readers and assistive controllers. The library covers

This project is a cross-platform UI component for React Native applications that provides a customizable overlay window for presenting content on top of existing application views. It serves as a library for managing animated modal components, backdrops, and mobile transitions. The component distinguishes itself through support for custom enter and exit animations and highly configurable backdrops, allowing for the adjustment of opacity, color, and the integration of custom elements. It also implements gesture-based dismissal, enabling users to close overlays via background taps or swipes in

React Sortable Hoc is a library for building drag-and-drop reorderable lists and grids within web applications. It provides a set of reusable components designed to integrate into the component-based architecture of React, allowing users to rearrange elements through mouse or touch input. The library utilizes a higher-order component pattern to inject drag-and-drop state management into existing list components without requiring modifications to the underlying implementation. It employs portal-based ghost rendering to move elements outside the normal document flow, while using hardware-accele

cmdk is an unstyled, headless React component library for building accessible search-based navigation and command interfaces. It provides the logic and state management required to create keyboard-navigable command palettes that filter lists of actions and items based on user input. The library distinguishes itself by remaining visually agnostic, offering a collection of logic-heavy components without predefined styles. It supports advanced organization through hierarchical menu navigation, nested paging systems, and conditional group filtering that hides categories when no child items match

This is a keyboard interaction library and manager for React Native that provides smooth animations, gesture-based dismissal, and event tracking. It serves as a cross-platform keyboard event bus, ensuring consistent keyboard show and hide behavior between iOS and Android. The project features an interactive animation driver that links native keyboard frame events directly to animated values to bypass bridge round-trips. It enables interactive keyboard dismissal via swipe gestures and includes a keyboard preloading system to eliminate first-show latency and input lag. The library provides com

PopupDialog is a Swift UI component library for iOS that provides a custom modal overlay system. It serves as a flexible replacement for the standard system alert controller, allowing for the creation of stylized popups and alerts with custom layouts. The library distinguishes itself through the ability to embed arbitrary view controllers directly into the dialog body. It includes a centralized theme configuration system to maintain consistent visual styles for containers, overlays, and buttons across an entire application. The project covers a broad range of layout and behavioral controls,

This project is a React Native UI library and mobile component framework designed for building consistent, themed mobile applications. It provides a collection of reusable user interface components and layout tools, functioning as a cross-platform design system to maintain visual uniformity across different mobile platforms. The toolkit distinguishes itself through a themed UI approach, utilizing global design foundations for typography, color palettes, and spacing. It allows for dynamic theme configuration and the use of style presets to ensure standardized branding across an entire project.

SwiftEntryKit is a Swift presentation framework and UI overlay library used to orchestrate banners, pop-up views, and custom modal presentations on top of an iOS application window. It functions as a view orchestrator that manages the lifecycle, animations, and layering of multiple overlapping user interface elements. The framework features a priority-based queueing system to determine the display order and precedence of overlays, ensuring specific elements can override others. It includes a dedicated animation toolkit for translation, scale, and fade transitions, alongside haptic integration

This library provides a centralized system for managing and rendering transient alert messages within React applications. It functions as a frontend notification manager, using a provider-based architecture to track, update, and remove status alerts through a standardized reactive interface. The system distinguishes itself by allowing developers to replace default alert designs with custom components, ensuring that feedback elements align with specific application branding and design systems. It utilizes portal-based rendering to mount notifications outside the main component hierarchy, ensur

react-slick is a React carousel component and responsive slider library. It provides a reusable user interface element for displaying a sequence of items in a horizontal scroll, supporting infinite looping, navigation dots, and adjustable transition speeds. The library enables the creation of touch-enabled image and content sliders that adapt to different screen sizes. It is used to build interactive content carousels, responsive image sliders, and rotating banners for product showcases.

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

Sonner is a React-based notification library designed for rendering transient, stackable feedback messages within web applications. It functions as a frontend system for managing and displaying time-limited alerts that inform users of system events or state changes during an active session. The library utilizes a centralized state machine to manage the lifecycle of each notification, ensuring consistent visibility and removal. It coordinates these elements through an event-driven message bus and renders them into a detached container outside the main application hierarchy to maintain global s

React Magic Motion is a component-based library for React that automates layout transitions and visual movement. It functions as a declarative animation framework, allowing developers to apply smooth motion to UI elements without the need for manual keyframe management or complex state tracking. The library utilizes a layout-based animation technique that calculates the difference between element positions before and after state changes. By monitoring the component tree and DOM layout, it automatically triggers hardware-accelerated CSS transforms to animate shifts, reordering, and navigation

React is a JavaScript library for building user interfaces based on a component-driven architecture and unidirectional data flow.

Reui is a React UI component library and front-end framework distributed under the MIT license. It provides a collection of reusable, pre-built React components for building modern web application interfaces. The library is built on a component-based architecture that uses declarative rendering through JSX, with state management handled by React Hooks. It employs CSS Modules for scoped styling and Tailwind CSS for utility-first styling, while TypeScript provides static type checking across the codebase. The project organizes components using a file-based structure and uses a module bundler bu

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

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