Input

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

Tipsy is a jQuery plugin for creating a Facebook-like tooltips effect based on an anchor tag's title attribute.    

Validetta is jQuery plugin which you can do client-side validation of your forms. It aims to decrease your burden with easy usage and flexible structure.    Validetta - Features: You can check fields whether it is empty or not or it is chosen or not. You can do e-mail check. You can do number check. You can check if the two fields are equal to each other. You can check credit card number validation. You can limit number of characters written to fields. You can limit number of choice of

Bootstrap TouchSpin is a mobile and touch friendly input spinner component for Bootstrap 3. It supports the mousewheel and the up/down keys.    

jQuery.masterblaster is a nice and tidy tag manager.    

Tag Manager is a jQuery plugin to create tag input fields, which works nicely with Twitter Typeahead.js and Twitter Bootstrap.    

Selectize is the hybrid of a textbox and <select> box. It's jQuery-based and it's useful for tagging, contact lists, country selectors, and so on.   Selectize.js - Features: Skinnable — Comes with LESS stylesheets and shims for Bootstrap 2 and Bootstrap 3 (+ precompiled CSS). Clean API & Code + Extensible — Interface & make addons like a boss with the plugin system. Fully documented on GitHub & inline. Smart Ranking / Multi-Property Searching & Sorting — Want to search

Hide/show password plugin says "life's too short to waste time re-typing passwords".   This plugin lets you easily hide and reveal the contents of a password input field. It's based on a mobile design pattern documented in this post by Luke Wroblewski and seen in apps like Polar.    

Bootstrap Tags Input is a jQuery plugin providing a Twitter Bootstrap user interface for managing tags.   Bootstrap Tags Input - Features: Objects as tags Not just support for using strings! This means you can use different values for a tag's label and value. Each tag also holds a reference to the object by which it was created, so by calling tagsinput('items') an array of the original items is returned. True multi value Typeahead AngularJS directive included Designed for Bootstrap 2.3.

Bootstrap-Maxlength uses a Twitter Bootstrap label to show a visual feedback to the user about the maximum length of the field where the user is inserting text. Uses the HTML5 attribute "maxlength" to work.