Top 20 NuGet ASP.NET Packages

Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project.
Access token validation middleware for JWT and reference tokens issued by IdentityServer3, based on JWT 5, Owin 4 and IdentityModel 3
Razor view engine support for the Giraffe web framework.
NSwag: The Swagger API toolchain for .NET and TypeScript
DotVVM is an open source ASP.NET-based framework which allows to build modern web apps without writing any JavaScript code.
Middleware to expose an embedded version of the swagger-ui from an ASP.NET Core application
NSwag: The Swagger API toolchain for .NET and TypeScript
ASP.NET Core Identity Integration for IdentityServer4
Official client library for easily integrating with the Cloudinary service
PubNub is a Massively Scalable Web Push Service for Web and Mobile Games. This is a cloud-based service for broadcasting messages to thousands of web and mobile clients simultaneously
MongoDB storage implementation for Hangfire (background job system for ASP.NET applications).
BundleTransformer.Yui contains two minifier-adapters: `YuiCssMinifier` (for minification of CSS code) and `YuiJsMinifier` (for minification of JS code). These adapters perform minification by using the YUI Compressor for .NET (https://github.com/YUICompressor-NET/YUICompressor.NET).
A modern async HTTP client for REST APIs. Its fluent interface lets you send an HTTP request and parse the response in one go.
JavaScript logging package that lets you log exceptions, AJAX timeouts and other client side events in your server side log. Supports ASP.NET 4.x (.Net 4.5.2+) and ASP.NET CORE (.NETStandard 2.0+).
Middleware to expose Swagger JSON endpoints from API's built on ASP.NET Core
DryIoc extension for ASP.NET WebAPI
This package contains base classes and interfaces of DotVVM that might be useful in a business layer. DotVVM is an open source ASP.NET-based framework which allows to build modern web apps without writing any JavaScript code.
Autofac implementation of the interfaces in Microsoft.Extensions.DependencyInjection.Abstractions, the .NET Framework dependency injection abstraction.
Steeltoe Management Exporter
Provides custom attributes that can be applied to controllers, actions and models to enrich the generated Swagger