Khanova škola (Khan Academy in Czech) is a website built by community of passionate volunteers committed to translating Khan Academy content and providing universal access to quality education.
KhanAcademy is in no way responsible for the content of this application and does not endorse it. This project however is as much official as any other might get.
This application is based mainly on the following open source, either directly included in the repository or vendored using composer:
KhanAcademy.org (khanacademy.org) Copyright © Khan Academy® 2013, release under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States (CC BY-NC-SA 3.0)
Khan Academy Exercises (https://github.com/Khan/khan-exercises) Copyright © Khan Academy® 2013, exercise framework and exercises released, respectively, under MIT license and Creative Commons by-nc-sa license
Nette Framework (http://nette.org/) Copyright © 2004, 2013 David Grudl (http://davidgrudl.com), released under GNU General Public License
Nette Framework Skeleton (https://github.com/nette/sandbox) Copyright © 2004, 2013 David Grudl (http://davidgrudl.com), released under GNU General Public License
Facebook PHP SDK (https://github.com/facebook/facebook-php-sdk) Copyright © 2011 Facebook, Inc., released under the Apache License, Version 2.0
PHP Markdown (https://github.com/facebook/facebook-php-sdk) Copyright © 2004-2013 Michel Fortin, 2004-2013 John Gruber, released under BSD-style or GNU General Public License version 2
Font Awesome (http://fortawesome.github.com/Font-Awesome/) Copyright © 2013 Dave Gandy, released under Creative Commons Attribution 3.0 Unported (CC BY 3.0)
PHP Simple HTML DOM Parser (http://simplehtmldom.sourceforge.net/) S.C. Chen, John Schlick, Rus Carroll, released under the MIT License.
Metrics (https://github.com/nesQuick/PHP-Metrics-Client) Copyright © 2010-2013 Ole Michaelis, released under the MIT License.
Copyright © 2012-2013 Mikuláš Dítě, Khanova skola, o.s.
Source codes from the aformentioned assets are published under the respective licenses. Changes, patches and original code are released either under GNU General Public License, MIT license and/or Creative Commons BY-NC-SA 3.0, depending on what the code does affect.