From the same folks who brought you https://www.producthunt.com/tech..., Only Rough Drafts is a community to share your drafts and get feedback. You can generate private links so only those you share your draft with can read it. They also lock posts if they are public after they get 25 views I believe. It's just enough to get some feedback, but not enough to go viral before you are ready.
You can publish to the platform using the native app Rough Draft.
Instant Vitals