Generally OSRS Open Projects are Apache 2.0 licensed, see LICENSE Developer Certificate of Origin https://developercertificate.org/
For more information, read: ManagingCopyrightInformation
We generally follow guidelines similar to those at:
Apache Eclipse DotNetFoundation
OSRS Open manages projects with tooling and collaboration from several organizations:
https://opencollective.com/ OSRS Open on Collective Our Collective