Top 20 NuGet based Packages

Policy based authorization to Asp.Net, Mvc
Policy based authorization to Asp.Net 4.
.NET Reflection-based, attribute configurable property copier.
A package, which includes helpful auxiliary methods.
A simple Json Web Token authentication helper library that allows you to generate access tokens easily for both ASP.NET Core web apps (cookie based auth) and Web APIs (stateless token based auth).
Model based filtering expressions