Top 20 NuGet boxed Packages

Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project implementing Swagger (OpenAPI).
An object to object mapper that does not use reflection.
Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project.
ASP.NET Core test framework for dotnet new project templates.
Project templates with batteries included, providing the minimum amount of code required to get you going.
ASP.NET Core tag helpers for Subresource Integrity (SRI), Referrer meta tags, OpenGraph (Facebook) and Twitter social network meta tags.