I also run open observe at home, but I can't help but feel that the interface could use some... sparkle, and the mobile experience kinda sucks.

But you can't beat the excellent price and performance. Does what I need and much more

When I was starting Traceway I was heavily inspired by skylightio from the Ruby ecosystem. I loved their SLOs/ranking perf issues, but I also wanted the features that Sentry offered in one place.