Progression.js is a jQuery plugin that gives users real time hints & progress updates as they complete forms.
Fancyform is a jQuery plugin that offers a nice and elegant way to transform your HTML elements into custom styled elements. It's easy to implement and customize.
The elements you can style are input:radio,input:checkbox, select and textarea
Fancy Fields is a jQuery plugin to customize form elements easily. Text boxes, text areas, radio buttons, checkboxes, select items etc.
Alpaca is the Easy Forms Engine for jQuery / Bootstrap. It is built around JSON schema to keep things simple. Using Alpaca, you can express your forms object model, types, properties and validation logic.
Alpaca comes pre-configured to work nicely with the following web frameworks:
jQuery validation engine is a jQuery plugin aimed at the validation of form fields in the browser (IE 6-8, Chrome, Firefox, Safari, Opera 10). The plugin provides visually appealing prompts that grab user attention on the subject matter.
Pliant is a jQuery validation plugin that allows easy extending/overriding of rules, as well as defining field validation by html comments.
nextVal is an easy-to-use, flexible and robust form validation plugin for jQuery.
Each input should have a
validate attribute. Elements can also have placeholder and title attributes. Also
validate attribute can be passed multiple values.
jQuery.my allows comprehensive validation and conditional formatting of HTML inputs and static fields. Plugin recalculates and redraws interdependent controls automatically.
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.