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Application Insights for .NET Apps

This is the .NET SDK for sending data to Azure Monitor & Application Insights.

Getting Started

Please review our How-to guides to review which packages are appropriate for your project:

Understanding our SDK

We've gathered a list of concepts, code examples, and links to full guides here.


We strongly welcome and encourage contributions to this project. Please review our Contributing guide.


  • master contains the latest published release located on NuGet.
  • develop contains the code for the next release.

NuGet packages

The following packages are published from this repository:

Nightly Build Latest Official Release
Base SDKs
- Microsoft.ApplicationInsights Nightly Nuget
- Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel Nightly Nuget
Auto Collectors (Generic)
- Microsoft.ApplicationInsights.DependencyCollector Nightly Nuget
- Microsoft.ApplicationInsights.EventCounterCollector Nightly Nuget
- Microsoft.ApplicationInsights.PerfCounterCollector Nightly Nuget
- Microsoft.ApplicationInsights.WindowsServer Nightly Nuget
Auto Collectors (ASP.NET)
- Microsoft.ApplicationInsights.Web Nightly Nuget
Auto Collectors (ASP.NET Core)
- Microsoft.ApplicationInsights.AspNetCore Nightly Nuget
Auto Collectors (WorkerService, Console Application, etc.)
- Microsoft.ApplicationInsights.WorkerService Nightly Nuget
Logging Adapters
- For ILogger: Microsoft.Extensions.Logging.ApplicationInsights Nightly Nuget
- For NLog: Microsoft.ApplicationInsights.NLogTarget Nightly Nuget
- For Log4Net: Microsoft.ApplicationInsights.Log4NetAppender Nightly Nuget
- For System.Diagnostics: Microsoft.ApplicationInsights.TraceListener Nightly Nuget
- Microsoft.ApplicationInsights.DiagnosticSourceListener Nightly Nuget
- Microsoft.ApplicationInsights.EtwCollector Nightly Nuget
- Microsoft.ApplicationInsights.EventSourceListener Nightly Nuget

Nightly Builds are available on our MyGet feed: These builds come from the develop branch. These are not signed and are not intended for production workloads.


Refer to our Milestones for progress on our next releases.

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