I haven't looked into it properly but I think this is a premise of https://sandstorm.io/
I haven't looked into it properly but I think this is a premise of https://sandstorm.io/
Their goal was not a dashboard, they set out to become heroku for self hosted services when they announced it. They do aim for standardized authentication however, I'm guessing you're referencing that.
Sandstorm provides security by sandboxing applications and giving them a capability-based API (via Cap'n Proto RPC over a unix socket) for connecting to the outside world and other grains. Grains can also export capabilities, which would allow for the pluggable modules envisioned by kayson. Sadly, few grains do this as of yet. In my limited experience with this part of Sandstorm, the developer experience is still rough around the edges.