Open-source alternatives to React Dates

v-calendar is a customizable calendar and datepicker component for Vue applications. It provides an interactive calendar UI and a flexible datepicker plugin designed for date and time selection, including support for single dates, date ranges, and specific timestamps. The project is distinguished by its extensive UI customization options, allowing the replacement of default headers and navigation buttons via custom component slots. It features date decoration capabilities such as date markers, highlights, and popovers to visually distinguish specific days or recurring patterns. The component

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

MaterialDateTimePicker is a library of Material Design-compliant UI components for Android, providing standardized widgets for selecting dates, times, and combined temporal values. It implements a set of customizable dialogs that follow the Material Design system to ensure consistent user interface interactions. The library features a combined date and time picker that coordinates the sequential display of calendar and clock dialogs. It provides specific constraints for both date and time selection, allowing the restriction of selectable ranges, specific days, and required time intervals. Vi

This project is a UI library for building customizable calendar views across Android and Kotlin Multiplatform projects. It provides a recycler-based architecture for creating month, week, and year calendars, alongside a set of composable functions for rendering interactive date pickers and month views in Jetpack Compose. The library includes a contribution heat map component for displaying data density over time using color-coded day cells. It also provides a toolkit for implementing date range selection interfaces that support single date, multiple date, or date range selection with boundary

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

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

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

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

This project is a reusable React datepicker component providing an accessible, localized interface for selecting dates and times within web applications. It functions as an input field that triggers a calendar popup for precise temporal data entry. The component is designed for flexibility, allowing for a customizable calendar layout and the integration of custom external elements to trigger the picker. It supports marking holidays with custom labels and styles and implements date selection restrictions through boundaries, exclusion lists, and filter functions. The system includes comprehens

Angular-strap is a collection of pre-built AngularJS 1.x directives that wrap Bootstrap 3 components into reusable UI widgets and interactive behaviors. It provides native AngularJS 1.2+ directives for common UI patterns including datepickers, popovers, and scroll-based navigation, turning Bootstrap 3 markup into interactive widgets such as tabs, alerts, and side panels. The library wraps Bootstrap 3 jQuery plugins as AngularJS directives using the compile and link phases for DOM manipulation. It offers a set of AngularJS directives implementing Bootstrap 3 UI components like modals, tooltips

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

Android-PickerView is a custom view library for Android that provides a wheel-based scrolling interface for selecting dates, times, and custom data options. It functions as a selection component that can be used for specialized time and date picking or as a general wheel picker for custom data sets. The library features cascading selection capabilities, allowing for linked data selectors where choosing an option in one column filters the available choices in subsequent columns. It also supports cyclic scrolling to create a continuous loop and can encapsulate the selector within a modal dialog

This project is a utility and integration layer for mapping scoped CSS module identifiers to React components. It functions as a wrapper and style manager that translates class names into unique local identifiers to prevent style leakage across an application. The system includes a composition tool for merging multiple CSS module identifiers on single elements and an integration layer that connects SASS, SCSS, and LESS preprocessed style maps to component markup. It covers component styling through encapsulated style mapping and the distribution of styles to child elements. The library also

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

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

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

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

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

This project is a social blogging application built with Flask. It provides a platform for user account management, following relationships, and chronological post streams, supported by a PostgreSQL relational database. The application features a multilingual web interface with localized content and date formatting. It is designed as a dockerized web application, utilizing containerization for consistent deployment across different environments. The system integrates a variety of core capabilities, including full-text search with provider abstraction, an asynchronous task worker for backgrou

This project is a comprehensive collection of high-performance UI components and SDKs designed for building data-rich, cross-platform applications in Flutter. It provides a unified library of modular widgets and processing tools that enable developers to implement complex interface requirements, including advanced scheduling, tabular data management, and interactive data visualization, using a consistent declarative architecture. The library distinguishes itself through specialized, enterprise-grade capabilities that extend beyond standard UI elements. It includes a robust document processing

Vuestic UI is a Vue 3 component library providing a collection of pre-made user interface elements. It serves as a responsive UI framework and a themed component system designed to speed up frontend development and maintenance. The toolkit features a centralized configuration system for global styling and dynamic branding, including a built-in dark mode. It includes an internationalized interface toolkit with native support for localization and translating application content for multiple languages. The library provides a set of accessible web components that meet accessibility standards for

React Toolbox is a Material Design React component library and cross-platform UI kit. It provides a set of pre-styled user interface components that implement the Material Design specification to ensure consistent layouts and interaction patterns. The library utilizes a CSS Modules styling framework to provide scoped design variables and theme overrides. This approach allows for global theming and fine-grained visual adjustments through a variable-based theme engine and custom property style overrides. The project supports server-side rendering, enabling components to generate HTML on the ba

React-admin is a framework for building data-driven administrative interfaces that connect to REST or GraphQL backends. It provides a comprehensive suite of tools for managing the full lifecycle of administrative applications, including resource-oriented routing, declarative form scaffolding, and context-driven state management. By utilizing a modular adapter-based architecture, the framework abstracts backend communication, allowing developers to build consistent CRUD interfaces that handle data fetching, authentication, and synchronization automatically. The project distinguishes itself thr

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

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

This project is a community-maintained open source directory that serves as a comprehensive index of React components and libraries. It functions as a technical knowledge base, mapping common development challenges to vetted third-party solutions to help developers accelerate their frontend workflows and avoid reinventing standard interface elements. The directory distinguishes itself through a decentralized, hyperlink-centric architecture that avoids hosting code locally, instead pointing users directly to external repositories. This content is curated through a collaborative model where com

i18next is a JavaScript localization library and internationalization framework used to translate application text into multiple languages. It functions as a dynamic translation manager that handles translation resources, language detection, and the mapping of unique keys to localized strings. The system features a pluralization and interpolation engine that applies language-specific grammatical rules for numeric counts and injects dynamic variables into strings. It utilizes a plugin-based backend architecture to load and cache translation namespaces from various sources, including remote ser