Open-source alternatives to React Day Picker

FSCalendar is a customizable calendar UI library and date picker component for iOS applications. It provides a programmable interface for rendering date grids and event markers, supporting both Swift and Objective-C development. The library enables the creation of custom date picking interfaces with specific range restrictions and selection rules. It supports the display of date-based metadata and event visualization within a mobile scheduling context. The framework covers visual styling and cell design, allowing for custom view components, subtitles, and event markers. It includes a flexibl

react-calendar is a customizable date grid and picker for React applications. It provides an interactive interface for selecting single or multiple dates and navigating between months and years. The component uses browser internationalization APIs to format months and days, enabling multilingual date formatting for different global regions. It allows for external customization through prop-driven render overrides to replace default date cell displays. The library handles the underlying date calculations and state-driven navigation required for scheduling interfaces and date-based grids.

air-datepicker is a JavaScript date picker component and client-side date selector. It provides a web UI calendar widget that allows users to pick specific dates and ranges through a graphical interface. The component integrates into web forms to ensure valid date input formats and can be used to embed a date picker attached to text inputs or as an inline calendar display. The tool covers date selection UI and calendar input integration to prevent user input errors during web form date validation.

pickadate.js is a responsive jQuery date and time picker designed for web forms. It provides a localized input interface that allows users to select specific calendar dates and precise clock times. The library features a customizable calendar UI with configurable colors, sizes, and breakpoints. It includes a localization system to adapt interface text and date formats into multiple languages and regional settings. The component includes interactive date and time inputs and a styling system for modifying visual design to match specific brand identities. Its layout automatically adjusts for di

Pikaday is a lightweight JavaScript datepicker widget and dependency-free UI component. It provides a graphical calendar interface for selecting dates that binds to form fields without requiring external libraries or frameworks. The project features a localizable calendar interface, allowing for the customization of month names, weekday labels, and regional text directions to support multiple languages. Its programmable API manages input formatting and selection restrictions. The tool covers a broad range of date selection capabilities, including date input validation, range restrictions, an

FSCalendar is a native iOS user interface library and customizable date picker designed for integration into mobile applications. It provides a reusable calendar component that supports both Swift and Objective-C. The library allows for the creation of custom calendar cell designs and supports date selection through swiping gestures, enabling both single and multiple date selection workflows. The component can be configured via Interface Builder for visual layout design. It includes capabilities for rendering calendar views and implementing custom date picker designs to match specific applic

Android Times Square is a date selection library and UI component for Android applications. It provides a customizable calendar widget used for managing date selections and validating dates within a mobile interface. The library supports various selection modes, including single date picking, date range selection, and the selection of multiple specific dates. It includes tools for applying custom themes, configuring typefaces, and utilizing cell decorators to modify the appearance and behavior of individual date cells. The component handles regional localization, including support for right-

This is a JavaScript date and time selector and a jQuery-based component used to capture single dates or date ranges through a calendar dropdown interface. It serves as a web-based tool for selecting specific days along with hours and minutes for scheduling and data filtering. The project includes support for regional date localization, allowing date displays and labels to be translated and formatted to match different languages and regional requirements. The component provides capabilities for input validation through date constraints and the definition of selectable time windows. Users can

Nuxt UI is a comprehensive Vue component library built for the Nuxt ecosystem, providing over 125 production-ready, WAI-ARIA compliant components for building modern web applications. The library offers a complete design system with Tailwind CSS theming, supporting dark mode, custom color palettes, semantic color aliases, and runtime theme switching through CSS design tokens. It includes built-in internationalization for over 50 languages, server-side rendering compatibility, and a Figma kit that mirrors the code components for design-to-development consistency. The library distinguishes itse

Luxon is a JavaScript library for parsing, validating, manipulating, and formatting dates and times. It provides a suite of immutable objects for managing points in time, durations, and intervals, ensuring that all transformations return new instances to maintain predictable state. The library distinguishes itself by leveraging the native Internationalization API and environment-based time zone databases. This architecture allows for localized date formatting and global time zone conversions without requiring external data files or additional dependencies. It also supports non-Gregorian calen

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

Arrow is a Python date and time library that provides a simplified interface for creating and manipulating timestamps by wrapping the Python standard library. It serves as a tool for managing date objects, handling timezone offsets, and performing relative date calculations. The library is distinguished by its ability to humanize timestamps into natural language relative descriptions across multiple locales and parse human-readable time phrases back into precise date objects. It also features a specialized parser for converting ISO 8601 strings and custom formatted text into date objects. Br

Pikaday is a lightweight JavaScript datepicker library and client-side date input manager. It provides a standalone calendar interface for selecting dates in web applications as a zero-dependency UI component that operates without external frameworks or libraries. The tool features a modular CSS architecture that separates structural logic from visual presentation, allowing for flexible customization of the calendar layout. It includes built-in support for calendar localization, enabling the update of month names and weekday labels to match specific languages or regions. The library manages

A Material design back port of Android's CalendarView

This is a date picker component for React that features a continuous vertical scrolling interface. It provides a web interface for choosing dates, supporting both individual date selection and the definition of specific time periods through range selection. The component is distinguished by an infinite scroll mechanism that allows users to browse dates without pagination or dropdowns. It includes year navigation to jump rapidly between different years and utilizes windowed virtual scrolling to maintain performance. The interface supports regional localization for labels and date formats. It

Flatpickr is a lightweight, dependency-free JavaScript library designed to provide a modular date and time selection interface for web applications. It functions as a versatile web component that integrates into existing forms, offering a consistent user experience for picking single dates, ranges, or multiple values while maintaining a clear separation between human-readable display strings and machine-readable data. The library distinguishes itself through a robust configuration-driven architecture that allows for dynamic runtime updates and extensive customization of date formatting via a

This project is a collection of native directives designed to implement the Bootstrap component framework within Angular applications. It provides a suite of modular interface elements that allow developers to build interactive web components without requiring external JavaScript dependencies. The library distinguishes itself by using a dependency-free logic layer that relies entirely on native framework primitives. It features a specialized service-based positioning engine to manage the placement of floating overlays and an event-driven system to coordinate the lifecycle of complex UI elemen

FullCalendar is a framework-agnostic UI library and JavaScript calendar component designed for building interactive event scheduling interfaces. It provides tools for managing time-based data, including an integrated iCal feed parser for importing external calendar files and recurring schedules into a unified web view. The library features a system for event scheduling and management, enabling users to reschedule entries via drag-and-drop, adjust event durations by resizing, and highlight specific time ranges for selection. It supports multiple date views, such as month, week, day, and list f

MUI X is a collection of advanced React UI components for building data-rich applications, including a data grid, charting library, date and time pickers, scheduler, and tree view. The library is built with accessibility as a core principle, ensuring all components meet WCAG and WAI-ARIA standards for keyboard navigation and screen reader announcements. The components are designed for extensibility and performance. The data grid offers comprehensive data management with sorting, filtering, pagination, column pinning, row grouping, inline editing, and Excel export. The charting library support

react-big-calendar is a React calendar component used for rendering schedules and time-based events within web applications. It functions as a customizable event scheduler and JavaScript date visualization library that maps scheduled activities to a time-grid layout. The project is a date-agnostic scheduling interface, utilizing a pluggable adapter to support various third-party JavaScript date libraries. It allows for the replacement of internal calendar elements with custom React components and employs SASS variables for visual styling. The library covers interactive event scheduling and t

Spacetime is a JavaScript timezone library and date manipulation framework designed for parsing, formatting, and managing dates across global timezones. It provides an internationalization tool for localizing date components and includes static type definitions for TypeScript environments to ensure type checking and autocompletion. The project features a plugin system for custom date logic, allowing the injection of specialized methods and behaviors into date objects. This extensibility enables the implementation of project-specific time requirements through prototype-based method extensions.

Headless UI is a headless component library and accessible UI component kit that provides logic-only interface elements. It functions as a state-driven UI framework designed to provide functionality without prescribing any specific visual styles. The library is specifically designed for integration with Tailwind CSS, enabling the implementation of custom design systems. It allows users to apply visual styles to components based on whether they are active, selected, or open. The project covers the development of accessible UI components that meet ARIA standards and include built-in keyboard n

bootstrap-datepicker is a JavaScript calendar widget and UI extension designed to integrate with the Bootstrap CSS framework. It provides a graphical calendar interface for selecting dates within web applications, serving as a specialized component for Bootstrap web forms. The project functions as a client-side date selection tool that replaces manual text entry with an interactive calendar popup. It focuses on improving the frontend user interface for date-related inputs.

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

gpui-component is a native desktop UI kit and component library built for the GPUI framework. It provides a collection of reusable user interface elements, a desktop layout engine for organizing application space, and a specialized data visualization library for rendering quantitative information. The project is distinguished by its high-performance rendering systems, including a virtualized data grid and list system designed to handle large datasets with low memory overhead. It also features a comprehensive data visualization toolkit for rendering charts, axes, and coordinate scales using li

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

CalendarView is a high-performance Android UI component designed for displaying dates and navigating chronological views. It functions as a canvas-based widget that utilizes direct drawing instead of standard list views to minimize memory usage and ensure fast rendering of complex date interfaces. The component provides a programmable interface for switching between month, week, year, and lunar views. It differentiates itself through a pluggable customization system that allows developers to override the drawing logic for dates, text, event markers, and selection layouts. The library support