------------------------------------------------------------------------------ For the KA Lite software: ------------------------------------------------------------------------------ Copyright for the KA Lite software, except where otherwise specified in the code or further down in this file, belongs to the Foundation for Learning Equality, Inc. (FLE), and by contributing your code to this project (except where otherwise negotiated), you agree to assign copyright in this code to FLE, to be licensed under the same terms as the rest of the code. The KA Lite codebase is released for use under the open-source MIT license (see http://opensource.org/licenses/MIT): Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ------------------------------------------------------------------------------ For the khan-exercises framework: ------------------------------------------------------------------------------ While the framework is MIT licensed, the exercises are licensed separately under a Creative Commons Attribution/Non-Commercial/Share-Alike License. See: https://khan-exercises.readthedocs.org/en/latest/#small-print ------------------------------------------------------------------------------ For the Khan Academy content (Perseus exercises): ------------------------------------------------------------------------------ Perseus exercise data is copyright Khan Academy and its partners, and is included here with permission. For full content license, see: http://www.khanacademy.org/about/tos#7 ------------------------------------------------------------------------------ For the Khan Academy content (videos): ------------------------------------------------------------------------------ Unless otherwise indicated, the subset of the Khan Academy videos that are downloadable into KA Lite are released under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at http://creativecommons.org/licenses/by-nc-sa/3.0/us/) (the “Creative Commons License”). For full content license, see: http://www.khanacademy.org/about/tos#7 ------------------------------------------------------------------------------ For the Python packages found under "ka-lite/python-packages": (please alert us to any discrepancies) ------------------------------------------------------------------------------ Under the New BSD license (http://opensource.org/licenses/BSD-3-Clause): django django-chronograph django-annoying django_extensions django-faq GitPython django-postmark ifcfg pyasn1 werkzeug Under the Simplified BSD license: dateutil Under the MIT license: iso8601 Under the ISC license (http://opensource.org/licenses/isc-license): requests Under the ASL license v2 (http://www.apache.org/licenses/LICENSE-2.0.html): rsa south