Top 20 NuGet monitoring Packages

Expose monitoring tests and sensors via HTTP for health monitoring, testing in production, integration testing, functionality testing, and smoke testing.
Targets NServiceBus 8.0, reports some alerts via WARN log entries when message processing duration takes too long.
The Growlytics Notifier for .NET gives you instant notification of exceptions thrown from your .NET applications. Any uncaught exceptions will trigger a notification to be sent to your Growlytics project.
ASP.NET Core Health check publisher for Azure Application Insights that will publish the health check reports as availibility telemetry, including details and data.
A C# library to monitor the opening and closing of specific Windows processes
The library that provides methods that will help you with monitoring and logging CosmosDB with ApplicationInsights.
A management tool that provides easy access to hardware interfaces to automate management tasks on local or remote computers.
Observable application metrics
Pulseway SDK for application monitoring.
A NLog target which will send log messages to the LogDNA Provider.
A library to send batches of logs to the LogDNA provider.
This is the public library for https://www.TheMonitaur.com, a free and simple single-source web application for monitoring all your application layers using Tcp, Websocket, and/or WebAPI / Http.
A "Low Level" Cachet API Library
The Web Solutions Platform (WSP) event system is a general-purpose distributed publish/subscribe event system designed for high performance and low latency. Publish/subscribe is a common communication pattern though there are many variations to solve different scenario requirements. The event system...
AppMon client library
Client package for Medic, a simple health check monitoring for ASP.NET applications.
API assembly for Medic, a simple health check monitoring for ASP.NET applications.
Library for collecting and tracking performance metrics in your .NET applications.