As the copyright holders, we open up these materials for your to use if you want to. Different types of materials have different licenses. This is to be accomodating to different use cases and cultures that have arisen around different digital formats. The licenses we use are copyleft. That means that you are free to reuse, modify and redistribute our materials, and that you are also allowed to make money doing so. You have to, however, redistribute your own variants under the same license. This means that the ecology of sharing is stimulated. The visual design is © 2013 Sébastian Sanfilippo and Eric Schrijver for OSP Open Source Publishing and is dual-licensed under the terms of the terms of the Free Art license ( because it is a beautiful formulation of the intended spirit ) and the Creative Commons Attribution-ShareAlike 3.0 Unported license ( because it has a large community ) Free Art License 1.3: http://artlibre.org/licence/lal/en Creative Commons Attribution-ShareAlike 3.0 Unported License: http://creativecommons.org/licenses/by-sa/3.0/ The front-end code (HTML/(LE/C)SS/JS) is © 2013 Sébastian Sanfilippo and Eric Schrijver for OSP Open Source Publishing and Simon Daron for Radio Panik and is licensed under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The back-end code (Python) is © 2013 Frederic Peters for Radio Panik and is licensed under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. All original typefaces are licensed under the SIL Open Font License. This copyleft license is the first license written specifically for fonts. Not all files in the repository might be copyrighted by us. In this case, the folder inspiration contains screenshots of copyrighted material. Also note that while we are the owners of the copyright of all the original works contained in the repository, there are other rights that we can’t necessarily control. For instance, a copyleft photograph can still be subject to the personality rights of the persons depicted. In certain jurisdictions, original work might still be subject to trademark laws (as our friends Lafkon state). If you are not certain of the license of a file that you want to re-use, please feel free to ask us directly by email: mail@osp.constantvzw.org.