Top 20 NuGet owin Packages

This is a simple class for spinning up an ASP.Net Web API self host. I use it regularly within my test code.
Owin middleware to make your webpages look cuter. This might dramatically increase the traffic and pageviews on your website.
A simple owin middleware component to turn a querystring parameter into a request header. This is useful when using token authentication with signalR.
OWIN Middleware for serving markdown files as HTML
A series of utilities to ease networking, with the usage of asynccronous requests responses and coroutines. The documentation can be found on http://www.kendar.org/?p=/dotnet/networkhelpers. Same performance of Owin but...simpler!
Owin Middleware to set an x-made-with header to <3
Additional WalletOne OAuth2 provider for Katana (OWIN).
Owin authentication handler for Obsidian Portal
Container4Asp.Net provides generalized IoC Container integration for Asp.Net and the OWIN stack, allowing for consistent inclusion of IoC implementations into Asp.Net.
The TradeMe OAuth provider OWIN middleware
A simple Nlog / OWIN log factory adapter
A Trello OAuth provider for OWIN to use with ASP.NET
Middlewares to help secure your apps
A Plugin for OwinFriendlyExceptions to handle WebApi2
LightNode(as Micro REST/RPC Framework) Profiler for Glimpse.