Open-source alternatives to Select2

This repository contains the HTML specification, which defines the core standards for web page structuring, content organization, and document rendering. It establishes the fundamental algorithms for state-machine-based tokenization, tree construction for the document object model, and origin-based security isolation. The specification provides a framework for defining custom elements with independent lifecycles and registries. It also details the requirements for cross-document communication, session history management, and the synchronization of interface properties with content attributes.

FilePond is a JavaScript library designed for managing file uploads, providing a browser-based component that handles selection, validation, and asynchronous transmission to remote servers. It functions as a web form input element that supports drag-and-drop interactions, file property verification, and queue management to ensure that only permitted content is submitted. The library distinguishes itself through extensive client-side media processing capabilities, allowing users to edit, crop, resize, and filter images and videos directly in the browser before transmission. It includes automat

typeahead.js is a JavaScript autocomplete library used to build searchable input fields that provide real-time suggestions from local or remote data sources. It functions as a client-side suggestion engine and an asynchronous search interface, providing a customizable UI toolkit for managing search suggestion menus. The library focuses on data aggregation and performance, allowing the combination of multiple local or remote datasets into a single interface grouped by category. It utilizes rate-limited asynchronous fetching to prevent API overloading and employs search data prefetching and loc

Tabulator is an interactive data table library and virtual DOM data grid used to create high-performance tables from JSON or arrays. It functions as a hierarchical data viewer and a spreadsheet interface component, capable of rendering thousands of records efficiently through viewport-based virtualization and progressive loading. The library distinguishes itself by providing a full spreadsheet interface mode with multi-sheet management, cell range selection, and bulk copy-paste capabilities. It supports complex data architectures, including nested data field mapping, expandable tree structure

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

Grav is a flat-file content management system that eliminates the need for a traditional database by storing site content and configuration in human-readable Markdown and YAML files. Built as a modular PHP web framework, it uses a hierarchical page routing system where the physical directory structure directly determines the site's URL paths. The platform is distinguished by its event-driven plugin architecture and a command-line interface that prioritizes system administration, deployment, and maintenance tasks. It utilizes a blueprint-driven system to generate administrative forms from stru

Choices is a vanilla JavaScript library used to create customizable select boxes and text inputs without external dependencies. It functions as a custom select box plugin that transforms standard HTML select elements into searchable, stylable dropdowns and tagged text input components. The library distinguishes itself through a system of customizable HTML templates and CSS custom properties, allowing for the creation of tailored UI components. It provides the ability to define custom HTML structures for input components and modify the visual appearance of the interface via CSS theme styling.

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

Eureka is a framework for building structured data-entry interfaces and forms in Swift for iOS applications. It provides a declarative UI layout engine and a dynamic input interface to define fields, sections, and row layouts through a configuration layer. The system distinguishes itself through dynamic interface management, including conditional visibility and interaction control that reacts to real-time user changes. It supports complex input behaviors such as expandable row rendering, multivalued field management for inserting or deleting similar rows, and custom keyboard navigation that s

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

Bootstrap Table is a jQuery plugin for rendering interactive data grids with sorting, pagination, and filtering. It features a remote data integration system for fetching and synchronizing content from JSON endpoints using AJAX and server-side processing. The project includes a styling layer that adapts markup to work with various CSS frameworks, such as Bootstrap, Semantic UI, Bulma, and Material Design. It provides specialized rendering modes, including a hierarchical tree grid for parent-child row relationships and a responsive card-view table that transforms grids into mobile-friendly lay

This project is a high-performance dropdown component designed to handle massive datasets within user interfaces. By integrating windowing and virtualization techniques, it renders only the items currently visible within the viewport, ensuring that lists containing thousands of entries remain responsive and memory-efficient. The library functions as an extension for existing selection components, utilizing a higher-order component pattern to inject virtualization logic without requiring modifications to the underlying source code. It provides extensive control over the selection experience, a

jQuery plugin for styling checkboxes and radio-buttons

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

Awesomplete is a lightweight JavaScript library for adding searchable suggestion lists to text fields. It functions as an HTML-based autocomplete widget that renders filtered results from arrays, HTML elements, or comma-separated strings with zero external dependencies. The library includes a customizable suggestion engine that allows for the definition of custom matching logic, sorting rules, and trigger thresholds. It is designed as an event-driven UI component, providing a programmable interface to intercept selection events and manage the state of the suggestion popup. The system support

At.js is a JavaScript mention autocomplete library and client-side suggestion engine used to add trigger-based dropdowns to textareas and rich text editors. It functions as a plugin for integrating dynamic autocomplete popups into third-party HTML editors and contentEditable elements. The library provides a framework for managing multiple trigger characters and custom insertion templates for user mentions and symbols. It supports the use of custom match logic and the assignment of specific trigger keys to map different characters to separate data sources. The engine covers the retrieval of s

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.

A jQuery UI plugin to handle multi-tag fields as well as tag suggestions/autocomplete.

A JavaScript polyfill for the HTML5 placeholder attribute

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

A JavaScript library providing multiple simultaneous, stable, fault-tolerant and resumable/restartable file uploads via the HTML5 File API.

It's a pure JavaScript mask input. Now you can use a simple and pure javascript lib to mask your input elements, without need to load jQuery or Zepto to do it.

Fine Uploader is a browser file upload widget and manager that provides a frontend interface for transferring multiple files. It functions as a chunked file upload manager and a client-side image processor. The project enables the direct transfer of files to cloud storage providers, specifically Amazon S3 and Microsoft Azure, to reduce the load on application servers. It includes tools for scaling and resizing image dimensions during the upload process to save bandwidth. The system manages large file transfers by splitting them into small pieces, allowing for pause and resume functionality.

Form element autosizing, the way it should be

:calendar: Customizable date (and time) picker. Opt-in UI, no jQuery!

This project is a jQuery-based file upload widget that provides a browser interface for selecting and transferring files to a server. It functions as a chunked file uploader and a resumable upload client, enabling the transfer of large files by splitting them into smaller segments or continuing interrupted uploads from the last successfully sent byte. The tool includes a client-side image processor for validating, resizing, and generating previews of images before transmission. It also serves as a cross-domain upload tool, using various transport mechanisms to send files to different domains

FileAPI — a set of javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.