Please write a single answer per comment to clearly see the most popular tools. Vote on the ones you like.
There were too many options in this post and I want to see what are the really interesting ones.
To complement this post:
What file-sharing and media organizing software do you wish that existed?
Any experience with Readarr, how do the two compare?
Readarr is akin to Sonarr/Radarr. Audiobookshelf is like Jellyfin/Plex