MassTransit.AspNetCore by: Chris Patterson

MassTransit AspNetCore Support, including Dashboard; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MassTransit.EntityFrameworkCore by: Chris Patterson

MassTransit Entity Framework Core persistence support; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MassTransit.MongoDb by: Chris Patterson

MassTransit MongoDb persistence support; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MassTransit.Quartz by: Chris Patterson

MassTransit Quartz.NET scheduler support; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MassTransit.RabbitMQ by: Chris Patterson

MassTransit RabbitMQ transport support; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MassTransit.Redis by: Chris Patterson

MassTransit Redis persistence support; MassTransit provides a developer-focused, modern platform for creating distributed applications without complexity.

MasterMemory by: neuecc

Embedded Readonly In-Memory Document Database for .NET, .NET Core and Unity.

MasterMemory.MSBuild.Tasks by: Cysharp

MSBuild Tasks of MasterMemory Code Generator.

MaterialDesignThemes by: James Willock

ResourceDictionary instances containing Material Design templates and styles for WPF controls in .NET.

MathNet.Numerics by: Marcus Cuda, Christoph Ruegg, 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. Numerics is the result of merging dnAnalytics with Math.NET Iridium and is intended to replace both. Also includes a portable build supporting .Net 4 and higher, SL5, WP8 and .NET for Windows Store apps.

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

Math.NET Numerics, signed and thus with a strong name. We strongly discourage using this package and recommend using MathNet.Numerics instead, which is unsigned and weakly named.

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.

Mediator.Abstractions by: Martin Othamar

Abstractions for the Mediator.SourceGenerator package.

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

Medo.Uuid7 by: Josip Medved

A library that enables fast generation of version 7 (time-ordered) UUIDs, designed for efficient utilization in databases and resource indexing. It provides conversions to and from GUIDs, multiple string representations, and wide compatibility with .NET 7 and higher, including .NET 4.6.1 and higher (.NET Standard 2.0). Additionally, it supports version 4 (fully random) UUIDs.

MemoryPack.Generator by: Cysharp

Code generator for MemoryPack.

MessagePack by: neuecc, aarnott

Extremely Fast MessagePack(MsgPack) Serializer for C# (.NET Framework, .NET 6, 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.