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• GÉANT Open Source Licensing and Compliance workshop recording and slides, 17 February 2022, https://e-academy.geant.org/moodle/mod/resource/view.php?id=2869
• Licence Analysis with WhiteSource webinar, 2 March 2022

• What is Free Software? https://www.gnu.org/philosophy/free-sw.en.html

• Guide to open source licenses, overall description, https://www.synopsys.com/blogs/software-security/open-source-licenses/
• Top lists
  • Top open source licenses and legal risk for developers, top 20 categorised by risk, https://www.synopsys.com/blogs/software-security/top-open-source-licenses/

  • WhiteSource – Open Source Licenses in 2022: Trends and Predictions, https://www.whitesourcesoftware.com/resources/blog/open-source-licenses-trends-and-predictions/

• Standardised SPDX licence codes and licence texts, https://spdx.org/licenses/
• University of Pittsburgh Library System – Copyright and Intellectual Property Toolkit, https://pitt.libguides.com/copyright
• WhiteSource – Open Source Licenses Explained, https://www.whitesourcesoftware.com/resources/blog/open-source-licenses-explained/
• Free Software Foundation's free software licences and Non-free Software Licenses, classified individual licences and their compatibility with GPL, https://www.gnu.org/licenses/license-list.html
• Open Source Initiative (OSI) approved licenses
  • By category, https://opensource.org/licenses/category
  • Alphabetical https://opensource.org/licenses/alphabetical

...

• Choose an open-source license, https://choosealicense.com/appendix/
• Joinup Licensing Assistant – Find and compare software licenses, https://joinup.ec.europa.eu/collection/eupl/solution/joinup-licensing-assistant/jla-find-and-compare-software-licenses
• DejaCode licence finder; it can filter by one or several categories, licence text and a few key characteristics
  • All, https://enterprise.dejacode.com/licenses/
  • Permissive, https://enterprise.dejacode.com/licenses/?sort=name&category=Permissive
  • Weak copyleft, https://enterprise.dejacode.com/licenses/?sort=name&category=Copyleft+Limited
  • Strong copyleft, https://enterprise.dejacode.com/licenses/?sort=name&category=Copyleft
• Wikipedia tables and classified lists
  
  • All, https://en.wikipedia.org/wiki/Comparison_of_free_and_open-source_software_licences
  • Permissive, https://en.wikipedia.org/wiki/Category:Permissive_software_licenses
  • Copyleft, https://en.wikipedia.org/wiki/Category:Copyleft_software_licenses
• GPL compatible licences are listed in the 'GPL (v3) compatibility' column of the table in https://en.wikipedia.org/wiki/Comparison_of_free_and_open-source_software_licences#Approvals
• Creative Commons – Can I combine material under different Creative Commons licenses in my work? https://creativecommons.org/faq/#can-i-combine-material-under-different-creative-commons-licenses-in-my-work

Licence compatibility

GPL licences compatibility

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• In GÉANT, IPR is managed by the IPR Coordinator
• OpenChain
  • Start page,
  start from
  • https://www.openchainproject.org/
  • Specification, https://wiki.linuxfoundation.org/_media/openchain/openchainspec-current.pdf
• Open Source Programs Office
  • https://www.linuxfoundation.org/tools/creating-an-open-source-program/
  • https://fossa.com/blog/building-open-source-program-office-ospo/