ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

A convention-based object-object mapper in .NET.

Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

C# functional language extensions - a base class library for functional programming

A light-weight REST API development framework for ASP.NET 6 and newer.

A helper library for async/await.

.NET project templates with batteries included, providing the minimum amount of code required to get you going faster.

AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on …

Roslynator is a set of code analysis tools for C#, powered by Roslyn.

A base class for quickly and easily creating strongly typed enum replacements in C#.

Official PetaPoco, A tiny ORM-ish thing for your POCO's

A framework for building messaging apps with .NET and C#.

.NET's fastest JSON, JSV and CSV Text Serializers

Mouse Jiggler is a very simple piece of software whose sole function is to "fake" mouse input to Windows, and jiggle the mouse pointer back and forth.

A Dependency Injection/Inversion of Control tool for .NET

A Roslyn analyzer to enforce some good practices in C#.

🏷 Minimalistic versioning using Git tags.

A semi-opinionated library which is a source generator and a code analyser. It Source generates Value Objects

🏃 A .NET library that runs external commands.

C# discriminated union source generator

✖ An xUnit.net extension for describing each step in a test with natural language.

Structured concurrency support for C#

A historical repository no longer maintained

NsDepCop is a static code analysis tool that helps to enforce namespace dependency rules in C# projects. No more unplanned or unnoticed dependencies in your system.

The OpenWrap repository

An easy service hosting framework for building Windows services using .NET

Adds support for receiving and returning DateOnly/TimeOnly as ISO 8601 string to ASP.NET Core API

Post-build IL optimizer and intermediate representation for .NET programs

A convention-based object-object mapper in .NET.

Practical generic programming for C#