Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
GetHelios.dev - Helios - the production-readiness platform for developers. Leverage OpenTelemetry to deliver reliable distributed applications faster and with more confidence.
FancyTrack - JavaScript Error Tracking library from
Errsole - Collect, store, and visualize logs with a single module
Rollbar - Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.