X Editable
In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery
Filereader.js
A lightweight wrapper for the JavaScript FileReader interface
Sisyphus
Gmail-like client-side drafts and bit more. Plugin developed to save html forms data to LocalStorage to restore them after browser crashes, tabs closings and other disasters.
Expanding Textareas
jQuery plugin for elegant expanding textareas
Hide Show Password
Because life's too short to waste time re-typing passwords.
Really Simple Color Picker
Simple Color Picker written in jQuery.
Taggle.js
Form-ready dependency-less tagging.
jQuery Textcomplete
Introduce autocompleting power to textareas, like GitHub comment forms have.
Nod
jQuery plugin that gives you frontend validation for forms.
Resumable.js
A JavaScript library for providing multiple simultaneous, stable, fault-tolerant and resumable/restartable uploads via the HTML5 File API.
jQuery Timepicker
Adds a timepicker to jQueryUI Datepicker
Multi Select
A user-friendlier drop-in replacement for the standard select with multiple attribute activated.
Pretty Checkable
A jQuery plugin to replace checkboxes and radios for custom images
jQuery Chained
Chained Selects jQuery plugin.
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
jQuery Super Labels
Give your forms a helping of awesome!