I use lidarr in combination with these scripts for downloading.

https://github.com/RandomNinjaAtk/arr-scripts

Really nice set up, add music you want in lidarr and it just magically appears for you.

For front end I use plexamp like others have mentioned

Yes it’s still being developed. You are right there was a slowdown. I recently had twins and was on parental leave then back to work. So I’m getting back into the swing of things. I have a laundry list of items I plan to tackle with the long weekend in the US.

Sorry for the slowdown!