MathNet.Numerics.Signed by: Christoph Ruegg, Marcus Cuda, Jurgen Van Gael

Math.NET Numerics is the numerical foundation of the Math.NET project, aiming to provide methods and algorithms for numerical computations in science, engineering and every day use. Supports .Net Framework 4.0 or higher and .Net Standard 1.3 or higher, on Windows, Linux and Mac. This package contains strong-named assemblies for legacy use cases (not recommended).

McMaster.Extensions.CommandLineUtils by: Nate McMaster

Command-line parsing API and utilities for console applications. Commonly used types: McMaster.Extensions.CommandLineUtils.CommandLineApplication McMaster.Extensions.CommandLineUtils.CommandOption McMaster.Extensions.CommandLineUtils.IConsole McMaster.Extensions.CommandLineUtils.Prompt McMaster.Extensions.CommandLineUtils.ArgumentEscaper A community-maintained fork of Microsoft.Extensions.CommandLineUtils, plus many enhancements.

MedallionTopologicalSort by: Michael Adelson

A fast implementation of topological sorting that supports stable sorting as well as breaking ties via ThenBy[Descending]

Mediator.SourceGenerator by: Martin Othamar

A high performance .NET Mediator pattern implemenation using source generation.

MediatR by: Jimmy Bogard

Simple, unambitious mediator implementation in .NET

MediatR.Extensions.Microsoft.DependencyInjection by: Jimmy Bogard

MediatR extensions for ASP.NET Core

MemoryPack.Generator by: Cysharp

Code generator for MemoryPack.

MessagePack by: neuecc

Extremely Fast MessagePack(MsgPack) Serializer for C#(.NET, .NET Core, Unity, Xamarin).

MessagePackAnalyzer by: neuecc, aarnott

Analyzers and source generator for MessagePack for C#. Verify rules for [MessagePackObject] and code fix for [Key]. A roslyn source generator for AOT or faster startup of applications that use the MessagePack nuget package.

Meziantou.Analyzer by: meziantou

A powerful C# Roslyn analyzer that uses static analysis to detect bugs, surface security issues, and enforce best practices—helping developers and AI write more reliable code.

MicroCom.CodeGenerator.MSBuild by: MicroCom.CodeGenerator.MSBuild

IDL-based COM interop codegen. Consumes MIDL-like IDL file, generates efficient cross-platform C# interop and C++ header files.

Microsoft.ApplicationInsights by: Microsoft

Application Insights Base API. This package provides core functionality for transmission of all Application Insights Telemetry Types and is a dependent package for all other Application Insights packages. Please install the platform specific package for the best experience. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.Agent.Intercept by: Microsoft

This NuGet enables Interception of method calls. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.AspNetCore by: Microsoft

Application Insights for ASP.NET Core web applications. See https://azure.microsoft.com/documentation/articles/app-insights-asp-net-five/ for more information. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.DependencyCollector by: Microsoft

Application Insights Dependency Collector for .NET applications. This is a dependent package for Application Insights platform specific packages and provides automatic collection of dependency telemetry. Please install the platform specific packages directly for the best experience. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.PerfCounterCollector by: Microsoft

Application Insights Performance Counters Collector allows you to send data collected by Performance Counters to Application Insights. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.WindowsServer by: Microsoft

Application Insights Windows Server nuget package provides automatic collection of application insights telemetry for .NET applications. This package can be used as a dependent package for Application Insights platform specific packages or as a standalone package for .NET applications that are not covered by platform specific packages (like for .NET worker roles). Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel by: Microsoft

This nuget provides a telemetry channel to Application Insights Windows Server SDK that will preserve telemetry in offline scenarios. This is a dependent package, for the best experience please install the platform specific package. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156

Microsoft.AspNet.Authentication by: Microsoft

ASP.NET 5 common types used by the various authentication middleware.

Microsoft.AspNet.Authentication.Cookies by: Microsoft

ASP.NET middleware that enables an application to use cookie based authentication, similar to ASP.NET's forms authentication.