Open Source Resources for Web Application Developers

Cloud Zoom is a jQuery plugin comparable to commercial image zoom products such as Magic Zoom. Compared to the popular jQZoom plugin, Cloud Zoom is smaller, has more features and more robust compatability across browsers. It has been tested on IE6+, Firefox, Chrome, Opera, Safari.

You can add a tint of any colour to the small image. The intensity of tint is fully customisable. Zoom position can be inside the smaller image, useful if you would rather not obscure any other content. You can also apply a subtle soft-focus effect to the small image. Best of all, Cloud Zoom is completely free.

Requirements: jQuery Framework
Demo: http://www.professorcloud.com/mainsite/cloud-zoom.htm
License: MIT License

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SliderNav is a JQuery plugin that lets you add dynamic, sliding content using a vertical navigation bar (index). It is made mainly for alphabetical listings but can be used with anything, though longer words can look a bit awkward.

SliderNav automatically adds the navigation and sets the height for the object based on how tall the navigation is, in order to make sure users have access to the entire list. We used overflow: auto; property for the actual content so you can use your mousewheel to scroll through the content as well. It has been tested (and works fine) on Firefox 3, Chrome 5, IE7, Safari 4 and Opera 10.

Requirements: jQuery Framework
Demo: http://devgrow.com/slidernav-jquery-plugin/
License: MIT, BSD, and GPL License

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This is called jQuery UI Notify Widget, that is similar to the Growl-like scripts we mentioned in the past, except most seem to come with an enormous footprint: 10-12k of code, X-number of images, and roughly 1000 options to support every plausible use case.

jQuery UI Notify Widget is built off the jQuery UI widget factory in approx. 100 lines of code and 100% CSS. In typical widget fashion, this implementation supports the most basic uses, but is flexible enough for more advanced cases.

Requirements: jQuery Framework
Demo: http://www.erichynds.com/examples/jquery-notify
License: MIT, GPL License

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BirdEye is the Declarative Visual Analytics Library. It is a community project to advance the design and development of a comprehensive open source information visualization and visual analytics library for Adobe Flex. The actionscript-based library enables users to create multi-dimensional data visualization interfaces for the analysis and presentation of information.

DVAL is a XML-based syntax language for specifying visual representations. The approach is based on the concepts of Leland Wilkinson’s book The Grammar of Graphics. In this book he describes a foundation for producing a comprehensive information visualization language. The advantage of the DVAL is that all visuals are created using the same structure and logic.

Requirements: -
Demo: http://birdeye.googlecode.com/svn/branches/ng/examples/demo…
License: MIT License

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Griddy is a small JQuery plugin thats creates a simple, customizable grid overlay on top of any element. It can also calculate row heights and column widths automatically based on the number of rows/columns and gutter space. There are few options, including: rows, row height, row gutter, columns, column height, column width, color and opacity.

All of the styling is done inline to avoid linking to an external CSS file or having to use images. The numbers on top are column widths, the numbers running along the left side are row heights. You can also look at 960.gs grid overlay which does the similar thing.

Requirements: jQuery Framework
Demo: http://devgrow.com/griddy-overlay/
License: MIT, BSD, GPL License

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HoverAttribute is a jQuery plugin that allows you to make (link-)elements more dynamic by making an attribute of that element show up on hovering. This is foremost intended for <a> tags residing within full-width elements, such as headings or list entries. Amongst several options, it is possible to choose any attribute of a given tag.

Requirements: jQuery Framework
Demo: http://www.afekenholm.se/hoverattribute-jquery-plugin/
License: MIT License

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After a couple of hours spent on the lookout for a simple and clean jQuery plugin to columnize lists with no success, Andrea Cima Serniotti decided to create his own one. It took him a couple of nights but the result is pretty good and hopefully it will help you whenever you need to split a list into different columns.

Easy List Splitter will get your list, wrap it into a container div, generate as many lists as the number of columns you require and evenly split the list items into the different list elements. If the list items are not enough to evenly fill in all the columns, the plugin will hide the columns in excess (this might happen only if you’re ordering your list items vertically as per default).

Requirements: jQuery Framework
Demo: http://www.madeincima.eu/samples/jquery/easyListSplitter/
License: MIT, GPL License

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PHP Excel Reader allows you to parse and retrieve information from XLS files. It reads the binary format of XLS files directly and can return values and formats from any cell.

The simplest way to interact with an XLS file is to just dump it to HTML for display in a browser. This method will generate a table with inline CSS and all available formatting. By simply using this php command: <?php dump(true,true); ?> The output looks like this (with some CSS):

Requirements: PHP Framework
Demo: http://code.google.com/p/php-excel-reader/
License: MIT License

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jSquares is a jQuery plugin that pops up an image and a description in an overlay on hover. It is basically identical to the image grid found on www.ted.com. There are some parameters can be added when you call jSquares, e.g. caption size, opacity of the images, shuffle speed and etc. It works like a charm in IE6+, FF 3+, Safari 3+ and Opera 10.

Requirements: jQuery Framework
Demo: http://boedesign.com/demos/jsquares/
License: MIT, GPL License

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jsPlumb jQuery plugin provides a means for a developer to visually connect elements on their web page, in much the same way you might have seen on Yahoo Pipes. jsPlumb allows you to connect elements on the screen with “plumbing”, using a Canvas element when supported, and Google’s ExplorerCanvas script to support older browsers. Full transparent support for jQuery dragging is included, the API is super simple, and the compressed version of the script is just 10.5K.

It relies on jQuery 1.3.x or jQuery 1.4.x (tested on 1.3.2 and 1.4.2), and also jQuery UI 1.7.2 (if you want to support dragging). For Canvas support in IE you also need to include Google’s ExplorerCanvas script.

Requirements: jQuery Framework
Demo: http://morrisonpitt.com/jsPlumb/html/demo.html
License: MIT License

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