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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
For that the OpenTelemetry SDK could be used.
Another onr is Raygun. Although it doesn't have an SDK itself, it shows how you can integrate your software with Google's breakpad and send the crash report via an http request.
Following Grafana's ecosystem, Prometheus is a widely used metrics server and OpenTelemetry has a nice example on how to use it already
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.