Open-source alternatives to Flow.js

Magically convert a simple text input into a cool tag list with this jQuery plugin.

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

jQuery plugin for styling checkboxes and radio-buttons

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

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

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.

Add live paragraph-, word- and character-counting to an HTML element.

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

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

Makes typing in input fields fun with CSS3 effects

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

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

Dropzone is a JavaScript library used to create interactive file upload zones with drag-and-drop support. It functions as an HTTP file upload manager that handles network request management and the transmission of files to a server. The library includes a client-side image previewer that generates thumbnails and resizes files within the browser before they are transmitted. It provides a customizable upload interface through a set of themes and event listeners that modify the visual style and behavior of the upload areas. The system manages the end-to-end upload process by tracking real-time

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.

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.

This project provides a visual credit card form UI component and payment input visualizer. It creates an interactive checkout interface that displays a dynamic visual representation of a credit card, updating in real time as users enter payment details into a form. The interface includes localized payment capabilities, allowing the replacement of default labels and validation messages with custom strings to support multiple languages. Users can customize visual fields and input placeholders to control the default text and symbols displayed during the checkout process. The system manages real

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

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

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

Select2 is a searchable, modular UI framework designed to enhance standard HTML select elements. It transforms basic form controls into interactive, accessible dropdown interfaces that support multi-selection, tagging, and real-time filtering. By providing a robust set of tools for managing complex data inputs, it enables developers to create more responsive and user-friendly selection components. The project is distinguished by its adapter-based architecture, which allows for deep customization of rendering, data processing, and selection logic. Developers can extend core functionality throu

Automatically persist your forms' text and select field values locally, until the form is submitted.

Lightweight analytics abstraction layer for tracking page views, custom events, & identifying visitors

A checkbox component for Svelte (Cool animation, Customizable).

A floating menu library for Android.