The 3rd choice could potentially work. It doesn’t sound unique, but it does carry the message of openness and similarity to OpenStreetMap.

Great question, we do have plans to create it! Since we have not yet incorporated as a non-profit, there are extra steps to set this up, and we’re working on it right now. Thank you for your support, we appreciate you very much!

Voting for names is now open:

https://codeberg.org/comaps/Governance/issues/34