OSQA is an Open Source Q&A System written using Django. Users can ask and answer questions, comment and vote for the questions of others and their answers. Both questions and answers can be revised and improved. Questions can be tagged with the relevant keywords to simplify future access and organize the accumulated material. OSQA can be downloaded from the project’s GitHub repository at http://github.com/rickross/osqa. It is under GNU General Public License.

Shapado is another Stack Overflow-like app written in Ruby on Rails, mongomapper and mongodb. It is available under the GNU Affero General Public License. Shapado can be downloaded from Gitorious at http://gitorious.org/shapado.

Requirements: Django or Ruby on Rails Framework
OSQA: http://osqa.net/
Shapado: http://shapado.com/
License: GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

Requirements: jQuery Framework
Demo: http://demos.usejquery.com/ketchup-plugin/
License: MIT, GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

jDigiClock accepts a lot of configuration options, e.g. Clock images path, Weather images path, Set AM/PM option, Weather location code, Set weather metric mode: C or F, Weather update in minutes.

Requirements: jQuery Framework
Demo: http://www.radoslavdimov.com/jquery-plugins/jquery-plugin-digiclock/
License: MIT and GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

At the very basic level, Quicksand replaces one collection of items with another. All you need to do is provide those two sets of items. Advanced demonstrations include custom jQuery code to achieve some of the goals, like sorting or making Ajax calls. This code can be copied and used freely, but it’s not part of the plugin.

Requirements: jQuery Framework
Demo: http://razorjack.net/quicksand/
License: MIT and GPL2 License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

Plupload is currently separated into a Core API and a jQuery upload queue widget this enables you to either use it out of the box or write your own custom implementation. Drag/drop support of files is currently only available in Firefox 3.5+. Image resizing is only possible on Firefox 3.5+ and only at a fixed quality.

Requirements: jQuery Framework
Demo: http://www.plupload.com/example_queuewidget.php
License: GPL v2 License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

jQuery MultiSelect Plugin is compatible with jQuery 1.4.0+ and all themes from jQuery UI 1.7+. It is known to work in Firefox 2+, IE 6+, Chrome Beta/4, Safari 4 and Opera 10.

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

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Pixmac: Stock Photos, Royalty Free Pictures and Images

You can stop switching between your Editor and the Browser and changes will occur immediately without reloading the page. Once you are done designing your mockup you can generate the CSS code, copy and paste it to your stylesheet and tweak it to your likings. Much faster and better!

Requirements: jQuery Framework
Demo: http://demos.usejquery.com/brosho-plugin/
License: MIT, GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

The buttons automatically adapt to paddings and other styling you wish to use. They allow for a lot of stylistic customisation via a few lines of css while keeping all the display critical css rules hidden deep inside the plugin.

Requirements: jQuery Framework
Demo: http://swizec.com/code/styledButton/
License: MIT, GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

The purpose behind MediaCore was to make a central media library that could pull media from any source, track statistics, enable commenting, and provide a high degree of control over the presentation and administration.

Administrative Workflow is straight forward and is built based around moderating and approving user-submitted media. Media can be added through either the front-end or administrative back-end.

Requirements: -
Demo: http://getmediacore.com/
License: GPL License

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Pixmac: Stock Photos, Royalty Free Pictures and Images

TipTip jQuery Plugin is dual licensed under the MIT and GPL licenses. It’s also only 3.5kb minified!

Requirements: jQuery Framework
Demo: http://code.drewwilson.com/entry/tiptip-jquery-plugin
License: GPL, MIT License

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Pixmac: Stock Photos, Royalty Free Pictures and Images