Microsoft.WindowsAppSDK.WinUI by: Microsoft

The Windows App SDK empowers all Windows Desktop apps with modern Windows UI, APIs, and platform features, including back-compat support. This package contains the modern Windows UI features.

Microsoft.Xaml.Behaviors.Wpf by: Microsoft

Easily add interactivity to your apps using XAML Behaviors for WPF. Behaviors encapsulate reusable functionalities for elements that can be easily added to your XAML without the need for more imperative code.

Microsoft.XmlSerializer.Generator by: Microsoft

Creates an Xml serialization assembly for types contained in an assembly in order to improve the startup performance of Xml serialization when serializing or de-serializing objects of those types using XmlSerializer.

Mnemosyne by: Jon Hanna

Offers efficient copying, setting and zeroing operations.

modernhttpclient by: Paul Betts

Write your app using System.Net.Http, but drop this library in and it will go drastically faster.

MongoDB.Driver.Core by: MongoDB Inc.

Core Component of the Official MongoDB .NET Driver.

MongoDB.Libmongocrypt by: MongoDB Inc.

Libmongocrypt wrapper for the .NET driver.

Mono.Options by: Microsoft

A Getopt::Long-inspired option parsing library for C#.

Mono.TextTemplating by: Mikayla Hutchinson

Open-source implementation of the T4 templating engine.

Mono.Unix by: Microsoft

Provides functionality for managed code to access Posix/Unix features not accessible via BCL

MonoMod.Backports.Shims by: 0x0ade, DaNike

Shims for MonoMod.Backports to redirect certain OOB packages

Moq by: Kzu

Moq (pronounced "Mock-you" or just "Mock") is the only mocking library for .NET developed from scratch to take full advantage of .NET 3.5 (i.e. Linq expression trees) and C# 3.0 features (i.e. lambda expressions) that make it the most productive, type-safe and refactoring-friendly mocking library available

morelinq by: MoreLINQ Developers.

This project enhances LINQ to Objects with the following methods: Acquire, Aggregate (some EXPERIMENTAL), AggregateRight, Append, Assert, AssertCount, AtLeast, AtMost, Await (EXPERIMENTAL), AwaitCompletion (EXPERIMENTAL), Backsert, Batch, Cartesian, Choose, CountBetween, CompareCount, CountBy, CountDown, Consume, DistinctBy, EndsWith, EquiZip, Evaluate, Exactly, ExceptBy, Exclude, FallbackIfEmpty, FillBackward, FillForward, Flatten, Fold, ForEach, From, FullGroupJoin, FullJoin, Generate, GenerateByIndex, GroupAdjacent, Index, IndexBy, Insert, Interleave, Lag, Lead, LeftJoin, MaxBy, Memoize (EXPERIMENTAL), Merge (EXPERIMENTAL), MinBy, Move, OrderBy, OrderedMerge, Pad, PadStart, Pairwise, PartialSort, PartialSortBy, Partition, Permutations, Pipe, Prepend, PreScan, Random, RandomDouble, RandomSubset, Rank, RankBy, Repeat, Return, RightJoin, RunLengthEncode, Scan, ScanBy, ScanRight, Segment, Sequence, Shuffle, SkipLast, SkipUntil, Slice, SortedMerge, Split, StartsWith, Subsets, TagFirstLast, TakeEvery, TakeLast, TakeUntil, ThenBy, ToArrayByIndex, ToDataTable, ToDelimitedString, ToDictionary, ToHashSet, ToLookup, Trace, Transpose, TraverseBreadthFirst, TraverseDepthFirst, TrySingle (EXPERIMENTAL), Unfold, Window, WindowLeft, WindowRight, ZipLongest, ZipShortest

MSBuild.Sdk.Extras by: Oren Novotny

Additional MSBuild targets and properties for SDK-style .NET projects.

MsgPack.Cli by: FUJIWARA, Yusuke

MessagePack is fast, compact, and interoperable binary serialization format. This package provides MessagePack serialization/deserialization APIs. This pacakge also supports Mono, Xamarin, .NET Core and Unity.

MSTest.Analyzers by: Microsoft

MSTest is Microsoft supported Test Framework. This package includes code analyzers and code fixes for MSTest.

MSTest.TestAdapter by: Microsoft

MSTest is Microsoft supported Test Framework. This package includes the adapter logic to discover and run tests. For access to the testing framework, install the MSTest.TestFramework package. Supported platforms: - .NET 4.6.2+ - .NET Core 3.1+ - .NET 6.0+ - .NET 6.0 Windows.18362+ - UWP 10.0.16299 - UWP 10.0.17763 with .NET 9

MSTest.TestFramework by: Microsoft

This is MSTest V2, the evolution of Microsoft's Test Framework. Supported platforms: - .NET 4.5.0+ - .NET Core 1.0+ (Universal Windows Apps 10+) (Visual Studio 2017) - .NET 5.0 (Visual Studio 2019) - .NET 5.0 Windows.18362+ (WinUI Desktop Apps) (Visual Studio 2019) - ASP.NET Core 1.0+ (Visual Studio 2017) To discover and execute tests install MSTest.TestAdapter.

MudBlazor by: Garderoben, Henon and Contributors

Blazor Component Library based on Material Design principles with an emphasis on ease of use and extensibility

MvvmLight by: Laurent Bugnion (GalaSoft)

The MVVM Light Toolkit is a set of components helping people to get started in the Model-View-ViewModel pattern in Silverlight, WPF, Windows Phone, Windows 10 UWP, Xamarin.Android, Xamarin.iOS, Xamarin.Forms. It is a light and pragmatic framework that allows you to pick which components you want to use. This version will add the MVVM Light libraries as well as some scaffolding to your application to convert it in an MVVM app!