http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-sa/3.0
http://creativecommons.org/licenses/by-nc-sa/4.0/
http://creativecommons.org/licenses/by-nc/3.0
http://creativecommons.org/licenses/by-nc/4.0/
http://creativecommons.org/licenses/by-nd/4.0/
http://creativecommons.org/licenses/by-sa/4.0/
http://creativecommons.org/licenses/by/4.0
http://creativecommons.org/publicdomain/zero/1.0
http://opendatacommons.org/licenses/by/1-0/index.html
http://opensource.org/licenses/BSD-2-Clause
http://opensource.org/licenses/BSD-3-Clause
http://opensource.org/licenses/MIT
http://www.apache.org/licenses/LICENSE-2.0
http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
http://www.cecill.info/licences/Licence_CeCILL_V2-en.html
http://www.gnu.org/licenses/gpl-3.0.en.html
http://www.gnu.org/licenses/lgpl-3.0.txt
http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
http://www.mozilla.org/en-US/MPL/2.0/FAQ/
http://www.ohwr.org/attachments/2388/cern_ohl_v_1_2.txt
http://www.ohwr.org/attachments/735/CERNOHLv1_1.txt
http://www.ohwr.org/projects/cernohl/wiki
http://www.tapr.org/TAPR_Open_Hardware_License_v1.0.txt
http://www.tapr.org/ohl.html (alias for http://www.tapr.org/TAPR_Open_Hardware_License_v1.0.txt, *deprecated*)
http://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSGeneralconditionsofuseUKDEF.pdf (*deprecated*)
http://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf