Tooltipster is a lightweight jQuery plugin that enables you to easily create clean, HTML5 validated tooltips.
* Supports HTML tags inside the tooltip
* Lightweight and degradable
* Extremely flexible & fast to set up
* Easily styled with 100% CSS - no images needed
* Plays nicely with IE
Formly is a jQuery Plugin for easily adding cross-browser styling and validation to forms. Formly makes adding forms to your site a bit more exciting. Easily add style, validation, and a more impressive user interaction with a single function.
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.
jQuery Credit Card Validator detects and validates credit card numbers. It’ll tell you the detected credit card type and whether the number length and Luhn checksum are valid for the type of card.