Do any of them have any kind of moderation tools (to prevent the inevitable flood of spam and illegal content)? At least gitworkshop.dev doesn’t appear to actually use decentralized storage for everything, still requires a git host.

radicle seems like a much better concept for how to do this type of thing (just use git for everything!) vs bothering with nostr, but if someone managed to build a product that met the requirements on nostr that would also be fine enough.