It is certainly not in compliant with Open Source Initiative's definition, which is the primary meaning of open source in the engineering field. https://opensou

It is certainly not in compliant with Open Source Initiative's definition, which is the primary meaning of open source in the engineering field. https://opensource.org/osd https://opensource.org/osd Their license says... Notwithstanding the foregoing, you may copy and modify the Software for development and testing purposes, without requiring a subscription. You agree that GitLab and/or its licensors (as applicable) retain all right, title and interest in and to all such modifications. You are not granted any other rights beyond what is expressly stated herein. Subject to the foregoing, it is forbidden to copy, merge, publish, distribute, sublicense, and/or sell the Software.