Technically, you don’t really need to touch those Arr applications once you set them up. As others have mentioned, Seerr (merged from Jellyseerr and Overseerr) is probably the only thing you use on daily basis.
You mentioned an app for remote streaming, I assume you know about Jellyfin already. If not, it’s like Netflix but you watch your own videos.
Technically, you don’t really need to touch those Arr applications once you set them up. As others have mentioned, Seerr (merged from Jellyseerr and Overseerr) is probably the only thing you use on daily basis.
You mentioned an app for remote streaming, I assume you know about Jellyfin already. If not, it’s like Netflix but you watch your own videos.