Ajax Upload is a free file uploading script with progress bar, drag & drop support. It uses XHR for uploading multiple files with progress bar in FF3.6+, Safari4+, Chrome and falls back to hidden iframe based upload in other browsers, providing good user experience everywhere.

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

Alloy UI is an HTML5 CSS3 Application Framework & and a rich widgets toolkit to deliver rich web applications with enjoyable user experiences.

It comes with many ready to use components including:

• Image gallery
• Calendar
• Color picker
• Charts
• Tooltips

This HTML5 CSS3 Framework is built upon YUI3 – Yahoo!’s JavaScript / CSS library and comes with many functional demos.

Branched from the popular osCommerce to provide better user experience and improved e-commerece features with search engine friendly and semantic code, TomatoCart is an open source PHP ecommerce solution backed with Ext JS based rich administration.

Features

• Wysiwyg html editor for product descriptions
• Product Comparison
• One-Page Checkout
• Newsletter Manager
• Abandoned Cart Management
• Multi-lingual shopping Cart Solution
• Integrated Web Analytics Software – Pwik

Google Browser Size is a visualization of browser window sizes for people who visit Google. For example, the “90%” contour means that 90% of people visiting Google have their browser window open to at least this size or larger.

This is useful for ensuring that important parts of a page’s user interface are visible by a wide audience. And designers can use this tool to get better insights and user experiences for their websites and applications.

In the above example image, there is a donate now button which falls within the 80% contour, meaning that 20% of users cannot see this button when they first visit the page. 20% is a significant number; knowing this fact would encourage the designer to move the button much higher in the page so it can be seen without scrolling.

A fast loading website with good images and scripts performance is the first step to a successful online presence, but in real we use many tools , plugins, widgets in our website and those tools simply cause our website to load slow. The search engine panelizes the websites and we don’t get higher rankings in the search results due to the long response time.

Here is a list of free and open source tools and plugins that can help us to test performance and speed of our websites. With their suggestions, we can improve site’s response time.

 Website speed check

The website speed tester shows the duration of a given website. This value can be used for showing how long a website take to load and if it is better to optimize the website or change a (slow) ISP.

BrowserMob – Free Website Performance Test Tool

Test your website performance with this free cutting edge tool. This tool accesses your website from different location and generates a website performance analysis report.

PageTest

Pagetest allows you to provide the URL of a webpage to be tested. The test will be conducted from the location specified and you will be provided a waterfall of your page load performance as well as a comparison against an optimization checklist.

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Raxan is a powerful Open Source AJAX Application Framework that uses a set of web related technologies to deliver an integrated solution for building rich web 2.0 applications.

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Prototype UI is a javascript library of user interface components based on the Prototype & Script.aculo.us framework.

Purpose for this javascript interface library is to easily improve user experience in web applications.
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SlideDeck is a Free JavaScript based Content Slider. With this beautiful free content slider script you can display content on websites, mobile phones and kiosks.

It delivers a better user experience by removing the information overload and providing a fun, quick and beautiful way to interact with digital devices.
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MediaCore is a Free open source audio, video & podcast publishing platform built for organizations and users, who wish to distribute media in a variety of formats on their website while maintaining the ability to control the user experience. It supports many media formats including FLV, M4A, MP3 playable via the integrated FlowPlayer.

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