1) JDesktop : Framework for making desktop-like environment in a web browser with very cool effects and animations.You can resize, minimize, maximize and drag windows and change windows themes.

Every seasoned developer has one and every young and upcoming developer should be thinking of building one – a good and concise collection of UI controls, components and plugins that you can always rely on in times of need.

As a relative newcomer to the world of web development, it sometimes seems to me as though there is a gulf in the field: The “pros” versus the “wannabe developers”. As if there’s a tight-knit clique of developers, all well-versed in arcane stuff like advanced user scripts, HTML5, or Ruby on Rails — and then there’s the “rest of the world”, composed of mere mortals just trying to hack something together that would somehow display and sort of work across multiple browsers.

Tabs can be a great way to make informations about a project quickly available without leaving the page. For example you can insert project details in a secondary tab because you know that only a few visitors will have interest in it.

OTRS is an Open source Ticket Request System (also well known as trouble ticket system) with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries. Do you receive many e-mails and want to answer them with a team of agents? You’re going to love the OTRS!

phpMyBackup Pro is a very easy to use, free, web-based MySQL backup application, licensed under the GNU GPL.

New versions of Joomla! are released often with various security fixes and the developers are strongly recommending to upgrade to the latest version of Joomla!

URL shortening services, with the popularity of Twitter, has a very wide usage, probably more than anyone had expected few years ago.These services not only makes URLs shorter but more readable & trackable. Also, some offer features like password-protecting, custom URLs & more.

OpenCart is an open source PHP-based online shopping cart system. A robust e-commerce solution for Internet merchants with the ability to create their own online business and participate in e-commerce at a minimal cost.

EMMA is an open-source toolkit for measuring and reporting Java code coverage. EMMA distinguishes itself from other tools by going after a unique feature combination: support for large-scale enterprise software development while keeping individual developer’s work fast and iterative.

Styleneat organizes and standardizes your CSS in a structure that makes it easier to define page areas and see how they relate to each other.

This HTML Validator – checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.