I have a Synology NAS for my cough totally legitimate downloads, on which I am running a few docker containers. One of which is just a simple script to run a speedtest every hour, and save it out to a CSV. (Someone else invented it, I just use it!)
Unsure about fingbox, it doesn’t seem to offer an awful lot that can’t be done oneself, but I guess it all depends on how involved people want to get with the networks. Though, really everyone should try to learn about the basics of things that happen on their networks. Something like Pi-hole can be used to block nasty traffic, and give you an idea of just how chatty your fancy WiFi lightbulbs really are. (Full disclosure, I am a developer on Pi-hole)
This may be getting off topic!