Top 20 NuGet ASP.NET Packages

WebMarkupMin.AspNetCore2 contains one ASP.NET Core 2.X Middleware - `WebMarkupMinMiddleware`.
OWIN extension for Ninject.Web.Common
NSwag: The Swagger API toolchain for .NET and TypeScript
Multi-tenant web application foundation with management for sites, users, roles, claims, and geographic data.
The Enterprise Web Library (EWL), and its tailored infrastructure platform, are a complete and open solution for developing and operating web-based enterprise software.
A library bringing output caching (similar to MVC's "OutputCache"), to Web API actions. Strathweb.CacheOutput will take care of server side caching and set the appropriate client side (response) headers for you. This is a version for Web Api 2 only.
Logs details of System.Web HTTP requests through Serilog.
NWebsec is an easy to use security library for ASP.NET applications. With a few lines of config it lets you set important security headers, detect potentially dangerous redirects, control cache headers, and remove version headers. See project website for documentation.
Core server components for ASP.NET SignalR.
MongoDB storage implementation for Hangfire (background job system for ASP.NET applications).
Provides App Service management (Fluent) capabilities for Microsoft Azure.
Lightweight and implementation-free interfaces for DTO's, providers and adapters.
The Exchange Web Services (EWS) Managed API provides a managed interface for developing .NET client applications that use EWS. By using the EWS Managed API, you can access almost all the information stored in an Office 365, Exchange Online, or Exchange Server mailbox.
Service worker and Web App Manifest support for ASP.NET Core projects that provides offline support as well as client-side caching.
TG.JSON is a versatile library for creating, parsing, encrypting values, binding, serializing and deserializing JSON. It's compact, fast and very easy to use.
Nuget Package for Ingeniux InSite Search V2
Plug-In containing extensions for ASP.NET core.
Opinionated, web development framework for F# which implements the server-side, functional MVC pattern
Create subdomain routes like default route semantics, build subdomain links with helpers.
NSwag: The Swagger API toolchain for .NET and TypeScript