Are you making so much progress on your side project that you need additional tools to help keep track of everything, or are you looking for tools instead of doing work?
I understand what you're saying, and I absolutely do suffer from 'analysis paralysis', but I also think there's a genuine need for this kind of planning if you intend the project to become public and to have a future.
It also depends what you call 'progress': I have a tonne of ideas for one of them in particular, but they won't all be 'right' or worthwhile; I think I need a way to better capture them and work out what's worth pursuing. I don't think that's premature obsessing over tooling instead of actually doing work, I'm trying to work out what to work on (of too much, or conflicting things) if anything, not avoid it.