Well, been down the Prometheus/Alertmanager path and it is pretty workable there. You would get all the templating and grouping by labels. Dashboards can show

Well, been down the Prometheus/Alertmanager path and it is pretty workable there. You would get all the templating and grouping by labels. Dashboards can showed Prometheus alerts through annotations on the graphs. So you get a visual feedback what was broken when. Firing alerts are also a metric on Prometheus, so you can list those (or do other stuff with it). It's not a UI thing though. More the lower layers to get stuff for Grafana.