LumenWorksCsvReader by: Sébastien Lorion Paul Hatcher

An extended version of LumenWorks.Frameworks.IO

Magnum by: Chris Patterson Dru Sellers

Magnum is a library for the larger than average developer

MahApps.Metro by: Jan Karger Bastian Schmidt Dennis Daume Brendan Forster Alex Mitchell Paul Jenkins Jake Ginnivan

The goal of MahApps.Metro is to allow devs to quickly and easily cobble together a 'Modern' UI for their WPF apps (.Net 4.6.2 and later), with minimal effort.

MailKit by: Jeffrey Stedfast

MailKit is an Open Source cross-platform .NET mail-client library that is based on MimeKit and optimized for mobile devices. Features include: * HTTP, Socks4, Socks4a and Socks5 proxy support. * SASL Authentication via ANONYMOUS, CRAM-MD5, DIGEST-MD5, LOGIN, NTLM, OAUTHBEARER, PLAIN, SCRAM-SHA-1, SCRAM-SHA-256, SCRAM-SHA-512 and XOAUTH2. * A fully-cancellable SmtpClient with support for STARTTLS, 8BITMIME, BINARYMIME, ENHANCEDSTATUSCODES, SIZE, DSN, PIPELINING and SMTPUTF8. * A fully-cancellable Pop3Client with support for STLS, UIDL, APOP, PIPELINING, UTF8, and LANG. * A fully-cancellable ImapClient with support for ACL, QUOTA, LITERAL+, IDLE, NAMESPACE, ID, CHILDREN, LOGINDISABLED, STARTTLS, MULTIAPPEND, UNSELECT, UIDPLUS, CONDSTORE, ESEARCH, SASL-IR, COMPRESS, WITHIN, ENABLE, QRESYNC, SORT, THREAD, ANNOTATE, LIST-EXTENDED, ESORT, METADATA / METADATA-SERVER, NOTIFY, FILTERS, LIST-STATUS, SORT=DISPLAY, SPECIAL-USE / CREATE-SPECIAL-USE, SEARCH=FUZZY, MOVE, UTF8=ACCEPT / UTF8=ONLY, LITERAL-, APPENDLIMIT, STATUS=SIZE, OBJECTID, REPLACE, SAVEDATE, XLIST, and X-GM-EXT1. * Client-side sorting and threading of messages (the Ordinal Subject and the Jamie Zawinski threading algorithms are supported). * Asynchronous versions of all methods that hit the network. * S/MIME, OpenPGP, DKIM and ARC support via MimeKit. * Microsoft TNEF support via MimeKit.

ManagedEsent by: Microsoft

ManagedEsent provides managed access to ESENT, the embeddable database engine native to Windows. ManagedEsent uses the esent.dll that is part of Microsoft Windows so there are no extra unmanaged binaries to download and install.

Mapster by: chaowlert eric_swann andrerav

A fast, fun and stimulating object to object mapper. Kind of like AutoMapper, just simpler and way, way faster.

Mapster.Core by: chaowlert eric_swann andrerav

Lightweight library for Mapster and Mapster CodeGen

Markdig by: Alexandre Mutel

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET with 20+ builtin extensions (pipetables, footnotes, definition lists... etc.)

Markdig.Signed by: Alexandre Mutel

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET with 20+ builtin extensions (pipetables, footnotes, definition lists... etc.)

MassTransit by: Chris Patterson

MassTransit is a message-based distributed application framework for .NET http://masstransit-project.com

MassTransit.RabbitMQ by: Chris Patterson

MassTransit RabbitMQ transport support; MassTransit is a message-based distributed application framework for .NET http://masstransit-project.com

MaterialDesignColors by: James Willock

ResourceDictionary instances containing standard Google Material Design swatches, for inclusion in a XAML application.

MaterialDesignThemes by: James Willock

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

MathNet.Numerics 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.

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

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.