ThaMule

I’ve heard of dockge as a lightweight alternative to portainer.

I have this one bookmarked. Haven’t taken it though, has decent reviews: The Ultimate Linux Home Server Course - Learn and improve your Linux skills through building your own home server

Nah, it’s like sharing ad revenue with content creators on youtube.

If they mean with big users, users that post and comment a lot and by that keep the community alive and kicking.