Top 20 NuGet owin Packages

A SAML2 Owin middleware, compatible with ASP.NET Identity for external logins.
An easy and reliable way to perform fire-and-forget, delayed and recurring, long-running, short-running, CPU or I/O intensive tasks inside ASP.NET applications. No Windows Service / Task Scheduler required. Even ASP.NET is not required. Backed by Redis, SQL Server, SQL Azure or MSMQ. This is a .NET ...
Adds additional OAuth providers for OWIN to use with ASP.NET
Web API intgration package for resource/action based authorization.
MongoDB storage implementation for Hangfire (background job system for ASP.NET applications).
Entity Framework-based persistence layer for IdentityServer3
Add a Swagger(ui 3.x) to your WebApi projects!
Seamlessly adds a Swagger to WebApi projects! Compiled for .NET 4.5 and up. This helps with mono compatability and does not require any assembly redirects.
Compression (Deflate / GZip) module for Microsoft OWIN self host web server. With this module you can compress, deflate / gzip large files (like concatenated *.js or *.css files) to reduce amount of web traffic.
Access token validation middleware for JWT and reference tokens issued by IdentityServer3.
Adds additional OAuth providers for OWIN to use with ASP.NET
Seamlessly adds a Swagger to WebApi projects!
OWIN is a .NET HTTP Server abstraction.
Middleware that enables an application to support any standard OAuth 2.0 authentication workflow.
Middleware that enables an application to use OpenIdConnect for authentication.
IdentityServer is a framework and a hostable component that allows implementing single sign-on and access control for modern web applications and APIs using protocols like OpenID Connect and OAuth2. It supports a wide range of clients like mobile, web, SPAs and desktop applications and is extensible...
Abp.Owin
Middleware that enables an application to support Twitter's OAuth 2.0 authentication workflow.
Middleware that enables an application to use cookie based authentication, similar to ASP.NET's forms authentication.
Common types which are shared by the various authentication middleware components.