Top 20 NuGet stats Packages
Exposes .NET core runtime metrics (GC, JIT, lock contention, thread pool, exceptions) using the prometheus-net package.
AppMetrics's extension for collect EventCounters data from EventSource's which supports it. E.g. RuntimeEventSource or NpgsqlEventSource.
Statsd client for C#, providing a full set of counter/timer/gauge/set functionality in an easy to use static. Helpers are provided for easily timing chunks of code too.