Top 20 NuGet ASP.NET Packages

Core utilities for Freya Optics
Polyfills for future/draft elements of the OWIN standards for various server implementations
A token based authentication library for AspNet Core.
This is an implementation 'Graphiql' as a ASP.NET Core MiddleWare to easily add a UI for your GraphQL endpoint (http://github.com/graphql-dotnet/).
ASPNetSpell - The Spell Checking library for Microsoft ASP.Net. This .Net Spellchecker supports MVC, C# and VB.Net. Features include: 
* A spellchecking library written in 100% pure .NET code. A complete user interface with plug-and-play support for ASP.Net web forms , AJAX and MVC Dictionari...
Abp.AspNetCore.OData
Winnovative PDF Merge Library for .NET can be easily integrated in your applications targeting the .NET Framework to merge multiple PDF documents in a single PDF document. This version of the library is compatible with .NET Framework on Windows 32-bit (x86) and 64-bit (x64) platforms. For .NET Cor...
EVO PDF Merge Library for .NET can be easily integrated in your applications targeting the .NET Framework to merge multiple PDF documents in a single PDF document. This version of the library is compatible with .NET Framework on Windows 32-bit (x86) and 64-bit (x64) platforms. For .NET Core and .N...
EVO PDF to Image Library for .NET can be easily integrated in your applications targeting the .NET Framework to convert PDF pages to images. This version of the library is compatible with .NET Framework on Windows 32-bit (x86) and 64-bit (x64) platforms. For .NET Core and .NET Standard application...
A high-performance blog web site using ASP.NET Core MVC and the latest in client-side technologies.
FlashMessage provides easy cross request notifications for ASP.NET MVC Core based on Twitter Bootstrap alerts.
Trumbowyg lightweight WYSIWYG JavaScript editor https://github.com/jitbit/TrumbowygNuget
The general purpose library for developing apps with ASP.NET
Identity package that uses Dapper with SQL Server instead EntityFramework for use with .NET Core.
This is an implementation of a ASP.NET Core 2 MiddleWare to easily use the GraphQL library (http://github.com/graphql-dotnet/). With this MiddleWare, you are able to use GraphQL, WebAPI, MVC and many more end-points in one single web app in parallel.
Core functions, types, and parsers for working with the Freya Web type system
Core utilities for Freya Routers
PayFast Integration Library For Asp.Net Core
ASP.NET Core integration package for Jwt.Net
Dependency Injection in "Classic" ASP.NET WebForms, ASP.NET MVC, ASP.NET Web API, and ASP.NET-hosted WCF using Microsoft.Extensions.DependencyInjection.