Our dev team use Sentry (getsentry.com). We had the hosted plan, and we also have one installed in a local server.
You can check out their github repo as well https://github.com/getsentry/sentry
You can check out their github repo as well https://github.com/getsentry/sentry
For the side business I work (https://styleci.io) we use Bugsnag; https://bugsnag.com and a custom application.