ardalis 

A simple package with guard clause helper methods. See docs for how to extend using your own extension methods.

Classes to help produce strongly typed smarter enums in .NET.

Diagnostic middleware for ASP.NET Core to display all registered services.

Isis is a control panel for ASP.NET applications that allows easy visibility into the application's assemblies (debug or not), logging, errors, cache, session, performance counters, and more.

A simple package that adds the ValidateModelAttribute for ASP.NET Core MVC usage.

Cachify - A library for simplifying access to data caching.

A simple package with a base Specification class, for use in creating queries that work with Repository types.

Add support for feature folders to ASP.NET Core MVC projects.

A simple package with useful extension methods for EF Core.

A collection of validation rules for Visual Studio Web Tests.