Top 20 NuGet middleware Packages

Error handling middleware, using RFC7807
WebMarkupMin.AspNetCore2 contains one ASP.NET Core 2.X Middleware - `WebMarkupMinMiddleware`.
App Metrics Health ASP.NET Core core components.
ImageSharp Middleware for serving images via a url based API.
App Metrics ASP.NET Core Health provides health checking capabilities to web applications and allows you to expose health check results over HTTP.
HTTP middleware for graphql
Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project.
Enable SAML v2.0 identity provider (IdP) and service provider (SP) single sign-on (SSO) in ASP.NET Core applications. Includes SAML authentication middleware support. Example ASP.NET Core projects are available that demonstrate the simple to use SAML API and accompanying SAML configuration. Compre...
This is all the assemblies of the Cuemon ASP.NET Core family.
The Cuemon.AspNetCore.Authentication assembly is a supplement to the Microsoft ASP.NET Core Authentication.
The Cuemon.AspNetCore assembly provides enhacements to the Microsoft ASP.NET Core.
A simple basic authentication middleware.
ASP.NET Core middleware that processes ESI tags in page output
ESI.NET processes ESI tags
The plugin manager is an ASP.Net Core plugin manager which can be used to extend any Core website. Fully supports Middleware extensions, Dependency Injection, API plugins, sub website projects and custom interface extensions.
Middleware for ASP.NET Core to automatically add security headers to requests.
Middleware injected into ASP.NET Core pipeline at startup.
.Net core Middleware, Add various headers to help secure your site. Disable XSS attacks with Content Security Policies, and make sure browsers do not mime sniff
Plugin which generates a robots.txt file, based on DenySpider attributes on classes or methods within controllers. If UserSessionMiddleware.Plugin is also installed, will check to see if a bot is trying to access a page it has been denied, and return a 403 forbidden result.
SAML SSO for ASP.NET Core Examples