On homepage there is a guide to one of my other apps, blogstatic, using Subsection: https://blogstatic.io/guide/getting-started
And the Subsection one, which I am currently adding info to: https://subsection.io/guide
Subsection is about a week old and still improving it while in Beta.
It seems to me you're throwing a bunch of barely-built stuff at the wall to see what has traction to then actually build out. I don't think HN is a good way to do that. This now feels like a waste of everyone's time.
Subsection is about a week old and I am slowly building out the guides for both our apps.
Also, there are currently two users who are using it to build out their User Guide and they will hopefully publish soon, so I can share their guides.