It is structured like an old school message board with organized file storage (synched online and local), comment system, tagging, and commit history so we can track who contributes what (including charts and stats).... all designed to update between multiple users in different locations working on the same files at the same time.
Private. Secure. Invite only. And with a couple flippity tricks and Netlify, I can host this private repo as an unlisted website for free. I can't make a forum, but can organize and access files (i.e. entire experiences) the old school HTML // URL way. Then use those URLs as links for Zotero (and any other online platform).
That format is what the web is built of, so communication media will remain static for as long as GitHub keeps the lights on.
It's parented by Microsoft, but GitHub does it's own thing and always has. GH integrates directly into MS Visual Studio Code (we can use as browser). VSCode already has multiple options to integrate GPT-4hatever.5 xTurbo