Form Validate is a free jQuery plugin which helps create easy form validations with high flexibility and a large set of options.

Form Validate Features

• Supports custom validations
• Options to toggle between live and onsubmit validations
• Completely customizable CSS

Touch Gallery is an open source full-screen photo gallery for touch devices that brings the look and feel of native photo viewing applications to your mobile browser.

This open source photo gallery is a jQuery plugin and was primarily written and optimized for Mobile Safari running on the iPad or iPhone 4 but it also works fine in Dektop Safari, Firefox 4, as well as in Opera and Chrome.

Touch Gallery depends on two other plugins: transform and activity-indicator and both are packaged in one Javascript file you download with touch gallery.

The Dropdown Check List jQuery widget transforms a regular select html element into a dropdown checkbox list.

It uses the existing structure of the html select elements on which it is applied to dynamically build a container with checkboxes and labels then hides the original select element. The plugin does not change in any way the existing select element, only syncronize the checked values from the new container to the original select.

Tagging your picture is one of the interesting & fun feature that Facebook has, and everyone loves to tag their pictures.

Ever wondered having a PHP / jQuery plugin offering enhanced functionality and improved user experience for your own web application or web site?

jQuery-Notes is a simple, scalable and easy to use jQuery-Plugin that allows you to add notes & tag your pictures on your web site, web application or blog. The notes will be saved as a JSON-string so No databased required.

• Add notes to any image
• Totally scalable
• Easily customizable look via css
• Image linking

datePicker is a clean, unobtrusive calendar component for jQuery which allows you to easily add date picker functionality to your web forms and pages.

Designed from the ground up to be flexible and extensible, the date picker can be used in unlimited ways to allow you to add calendar widgets to your pages.

Validity is a powerful Client Side Javascript Form Validator jQuery Plugin. Instead of writing validation manually or balancing some unwieldy server-side framework, validity allows you to design client-side validation in a manner that feels natural and straightforward.

This Javascript Form Validator Plugin is appropriate for simple validation scenarios, but it is designed while keeping the more complex, dynamic, or conditional scenarios as well.

Features

• Manageable and semantic
• Unobtrusive JavaScript
• Customizable Appearance

Validation messages can be easily customized to match the look and feel of your site.

Pines Notify is a JavaScript Tooltip and Notification plugin for the jQuery JavaScript library. It offers advanced customization options for tooltips and notifications.

It can be used to create:

• Time-based notifications with beautiful show / hide visual effects & animations
• Sticky notifications with an optional close button

The Pines Notify plugin uses the jQuery UI CSS Framework to style its look and feel. It comes with awesome ThemeRoller support so users can create and download custom themes that are easy to build and maintain.

Features

• Dynamically update text, title, icon, etc…
• Multiple notifications and tooltips stacks independently
• Control stack direction
• History viewer allows users to review previous notifications
• Supports Opacity and allows custom CSS

Tiny Carousel is a lightweight jQuery plugin to create carousel content slider. This free content slider works with HTML based content which makes it useful, specially for new techies.

Tiny Carousel can be used as a vertical or horizontal content slider and can be set to work like a tab control.

Features

• Supports navigation by button or paging
• Number of block to move at a time can be set
• Easy customizable

Moo4q is MooTools Object Oriented Classes for jQuery. It combines the power of MooTools Classes with the popularity of jQuery’s DOM library.

Moo4q automatically turns your MooTools Class into a jQuery plugin, making your objects accessible through jQuery syntax. It follows jQuery patterns for setting and getting values, instantiating stuff, and chaining.

Summing it up, Moo4q provides handy solution with MooTools for Object Oriented Programming for jQuery.

Check out some demos and the tutorial here.

Galleria is a Free JavaScript image gallery. It can take a simple list of images and turn it into a foundation of multiple intelligent gallery designs.

Galleria can be used as a fixed-width image gallery or flexible full screen image gallery.

This free JavaScript image gallery can create, scale and crop images on the fly, making your gallery layout flexible towards any existing design.

Galleria Features

• Creates thumbnails on the fly
• Degrades gracefully
• Flickr fetcher included
• Built for performance
• Using jQuery’s library

Galleria uses a convenient Theme API that makes gallery styling and customization a breeze.