Bazarr with a few services activated works great for me.

Evidently, [loops and goldfish] are intended to be compatible with one another, as well as other video platforms in the Fediverse, such as PeerTube or Vidzy.

From the article. So yes, they should be cross compatible at some point.

It might be the unpopular option but I love my AppleTV. I used several sticks, a FireTV and a raspi before.

On the AppleTV with Swiftfin for jellyfin and VLC as a fall back all my local streaming needs are met. The hardware is great and the price is - well, let’s say it’s okay (but quite far above you limit I think). And most of all: it blew all of the other option out of the water in terms of convenience and user experience.

So if you have the money I recommend giving it a try.