Top 20 NuGet owin Packages

Middleware that enables an application to support Odnoklassniki OAuth authentication workflow.
Middleware that enables an application to support VK OAuth authentication workflow.
Middleware that enables an application to support mixi's OAuth authentication workflow.
Middleware that enables an application to support Yahoo's OAuth authentication workflow.
Middleware that enables an application to support Yahoo Japan's OAuth 2.0 authentication workflow.
Middleware that enables an application to support Weibo's OAuth authentication workflow.
Provides type-safe calls between FunScript clients and HashBang servers via SignalR.
Add log4net logging facility easily to existing your OWIN applications.
Incredibly 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 application. No Windows Service / Task Scheduler required. Even ASP.NET is not required. Backed by Redis, SQL Server, SQL Azure or MSMQ. ...
Core components for Hangfire (background job system for ASP.NET applications).
Extensible versions of common Owin Oauth Middleware (Facebook, Google, Microsoft, etc) that allow for multi-tenant and other complex scenarios.
Middleware that enables and application to support Dropbox's oAuth2 authentication
Hosting library for OWIN-based lightweight services .NET.
Provides a simple logging interface for applications and some basic implementations of this interface.
Middleware that enables an application to support Dropbox OAuth authentication workflow.
Middleware that enables an application to support Foursquare OAuth authentication workflow.
Middleware that enables an application to support GitHubs OAuth 2.0 authentication workflow.
Middleware that enables an application to support Instagram OAuth authentication workflow.
Middleware that enables an application to support LinkedIn's OAuth 2.0 authentication workflow.