Made a draft PR to move this forward: Define PrivacyGuides's definition of the term "Open source". by blacklight447 · Pull Request #2732 · privacyguides/privacyguides.org · GitHub
I added the following: - Source Availability: Open-source projects are generally preferred over equivalent proprietary alternatives. Our definition of Open-source follows the OSI definition. Licenses not under the OSI are allowed as long as they are compatible with the OSI definition. Open-source part is only mandatory for pages with “Open-source” as a minimum requirement.
If we move forward with this, we should overlook all pages with opensource requirements and check the currently listed software