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.

Run xUnit test cases in parallel

C# wrapper around CredWrite/CredRead/CredDelete/CredUIPromptForWindowsCredentials/CredUICmdLinePromptForCredentials functions to store and retrieve from Windows Credential Store

Microsoft.Extension.Logging.ILogger implementation for xunit

A Roslyn analyzer to help migrate from Xunit / NUnit assertions to FluentAssertions

Microsoft.Extension.Logging.ILogger implementation for xunit.v3

Meziantou.Polyfill generates source-only polyfills for C# features, so runtime-agnostic language capabilities work on older target frameworks.

A collection of utility types and extension methods for .NET: collections, strings, dates, reflection, IO, and more

An in-memory implementation of Microsoft.Extension.Logging.ILogger

FullPath makes it easier to deal with paths

Allow to declare 'InternalsVisibleTo' in the csproj file, rather than declaring them to an AssemblyInfo.cs file.

Meziantou SDK for .NET projects

Run xUnit test cases in parallel

CLI tool to validate NuGet packages follows best-practices

Enables verification of objects using inline snapshots

Meziantou SDK for .NET projects

One-way serializer to a human readable format

Use FontAwesome in WPF application

Meziantou SDK for .NET projects

A package to configure .NET coding style and static analysis