A jQuery plugin to help implement the over label technique. When the user puts focus on the input, the label will be hidden. When the input is blurred and has no value, the label will be shown again. Just need to write the CSS based on your DOM structure to position the label over the element correctly.
The jQuery Form Plugin allows you to easily and unobtrusively upgrade HTML forms to use AJAX. The main methods, ajaxForm and ajaxSubmit, gather information from the form element to determine how to manage the submit process. Both of these methods support numerous options which allows you to have full control over how the data is submitted.
jQuery Validation Plugin makes simple clientside form validation trivial, while offering lots of option for customization.
The plugin comes bundled with a useful set of validation methods, including URL and email validation, while providing an API to write your own methods. All bundled methods come with default error messages in english and translations into 36 locales.
TabSelect is a plugin to select one or more array or form entries visually, for example to filter a list or replace a multiselect form element.
Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors.
A plugin that transforms HTML form password field into iPhone / iPod Touch like password fields, passwords get masked while typing but the last character in row is shown in plain text.
doubleSuggest plugin will set up a UI that suggest results as you type.
It will display two types of suggestions, first (and faster) the local data and second (and slower) the results from an ajax search query.
jq-idealforms is a small framework to build awesome responsive forms. It's built on top of jQuery and LESS.
Decodes serialized form data and populates the form with that data. This method works upon text strings in standard URL-encoded notation, arrays containing objects of name/value pairs or objects containing key/value pairs.
MaxLength Plugin simply reports back the number of characters left the user has, with a few extra bells and whistles.
Masked Input Plugin is jQuery javascript library for allows a user to more easily enter fixed width input where you would like them to enter the data in a certain format (dates,phone numbers, etc.)
TextExt is an autocomplete and tag input plugin for jQuery which allows you easily turn a standard HTML text input into a wide range of modern, tailored to your needs input field without bloating your source code and slowing down your site with the code that you aren’t using.
jqCrypt is a simple jQuery plugin to encrypt form data client-side and pass it (with an obfuscated key) to the processor via the POST method.
jQuery Price Format is a plugin to format input text fields as prices. For example, if you type 123456, the plugin updates it to US$ 1,234.56. It is costumizable, so you can use other prefixes and separators (for example, use it to get R$ 1.234,55).