Smart Breadcrumbs is a useful breadcrumb navigation generator script. Smart Breadcrumb plugin follows the centralized dynamic approach and creates XML driven breadcrumb navigation with the help of jQuery.

No HTML markups, no maintenance hassles, simply provide an XML file containing your site structure, reference necessary scripts and CSS files.

bValidator is a jQuery validation plug-in for client side form validation. It supports fully customized error messages defined with template and CSS.

This client side validation plugin comes with many validation functions like:

• Date validation
• Email validation
• URL and IP address
• Validation of dynamic forms
• Customized validation functions and more…

mobl is an HTML5 supported open source language designed specially to speed up building mobile applications that can be deployed on iOS, Android and other phones supporting HTML5 technologies. Its scripting language syntax similar to JavaScript.

mobl compiler generates static JavaScript and HTML files, ready to be deployed to any web host and to be cached on the device, to enable offline web applications.

This open source language for mobile development offers a rapid save and test cycle. No more lengthy compilations, the mobl IDE compiles your modules whenever you save, ready to be tested in the mobile browser.

SourceKit is a free plugin for Google Chrome. Its a Textmate-like lightweight programmers text editor right inside of Chrome.

It saves files directly to Dropbox, so if you have the Dropbox sync software installed, the changes will appear locally as if you did so with a text editor!

Changes will be stored remotely so naturally this same extension will pull up the same copy of the file everywhere!

PHP Utility Framework (PUF) is a comprehensive collection of popular and useful PHP utility functions that are commonly used in web applications.

Written in PHP 5, PHP Utility Framework (PUF) aims to become the “go to” framework for all of those functions that you commonly use in apps but can never find because you’ve forgotten to add it to your snippet collection.

Initializr is a simple and easy tool to help you getting started with an HTML5 project. It is built on HTML5 Boilerplate (a powerful HTML5 template).

Initializr will generate for you a clean customizable HTML5 template based on Boilerplate with just what you need to start.

Streamie is an open source real time, one of the best Twitter client that runs in your web browser, built with node.js that talks to twitter’s brand new user stream API.

While tweeting, you can easily attach image, shorten your URLs with a single click and such features makes Streamie easier and best twitter client.

FireCSS is an awesome and very useful add-on for Firebug. This Firebug add-on allows you to make live CSS changes on a given page, FireCSS then sends the changes to any browser open on that page.

FireCSS is activated by adding a temporary javascript tag to any page you want to edit. That javascript activates FireCSS and connects other browsers to the web service to get CSS updates.

And then every time you edit CSS in Firefox, it sends a CSS Update event to the web service which farms the updates out to any other connected browsers on that page.

Zoomy is a quick and easy jQuery image zoom plugin that will zoom into an image. You only need two copies of one image first the display image and then the zoom image.

This open source jQuery image zoom plugin is simple, easy to implement and customize. There are a few options that allow you to change the appearance and usability of Zoomy. Get a extra level of detail without boging down your page with gaint images.

LimeJS is an HTML5 game framework for building fast, native-experience games for all modern touch-screens and desktop browsers.

This JavaScript game framwork that allows any developer to create HTML5 based games in no time. Games created with LimeJS framework does not require any browser plug-ins or any additional software installation to run – just a modern web browser is needed.

Current version of LimeJS supports almost all HTML5 capable browsers: Chrome, Safari, Firefox and even Opera. This also covers two main mobile platforms: iOS (iPad, iPhone and iPod Touch) and Android.