See here:
note1xq8rfn9pdr53j6dqtua77l446gxwp3rd2te9kckkkkvh679jq7vqa0544w
MongoDB is a closed for commercial use, source-available database (https://github.com/mongodb/mongo/blob/master/LICENSE-Community.txt).
Coldcard and Umbrel are the same.
MongoDB, however, is not a #Bitcoin company.
Discussion
I like all of these companies but Blockstream is the only one I’d consider as being successful so far
And even they had kept Liquid close source until very recently in its lifetime