What are some immersive communities for indie hackers?

I enjoy this community, and it is great for one off requests, articles, inspiration and such but I'm looking for some more structure and regular feedback. Most of my recent projects have been unsuccessful (I did start and sell one small company). I feel like I'm stuck in a rut and looking for ways I can turn things around. For example I am considering trying the small bets community ( https://dvassallo.gumroad.com/l/small-bets ).

I was wondering if there are other quality (paid or free) communities or cohort based courses that people have found helpful?