* Page with license compatibility
[EN] https://www.gnu.org/licenses/quick-guide-gplv3.en.html
[FR] https://www.gnu.org/licenses/quick-guide-gplv3.fr.html

* FAQ on GPL license
https://www.fsf.org/licensing/licenses/gpl-faq.html

* Questions/Answers on Fork for using Dolibarr as a SaaS
https://stackoverflow.com/questions/539291/rebranding-a-gpld-app-as-saas