Top 20 NuGet oauth Packages

Implementation of OAuth 1.0a protocol. Supports transparent authentication via HttpMessageHandler
Provides a default starting point for setting up a new JWT OAuth server which includes Its.Configuration and Its.Log with a set of classes that preconfigure numerous defaults. All you have to do is provide service setup and your actual authentication (one method implementation).
HTTP server with minimal dependencies
Used with SimpleAuthentication, provides automated configuration for ASP.NET NancyFX projects.
ArcGIS.PCL can be used to call ArcGIS Server resources, including those from Portal for ArcGIS and ArcGIS Online. The resources can be secure or unsecure and the ArcGIS Online token service and OAuth token service are supported. Supports the following as typed operations: > CheckGenera...
A simple client-only OAuth2 library for .NET. This library is designed to be used with minimal implementation by the user, in environments that are not hosted on a web server.
Lucas Solutions Core Infrastructure
An easy to use OAuth 2 authentication provider for ASP.NET MVC5 and OWIN.
A .NET Core client library for Google Play Services OAuth / forked from vemacs/GPSOAuthSharp - Add linux and Mac support
OpenID Connect Client Library for Native Applications
NFX Erlang Package NFX UNISTACK includes: Application Container + Dependency Injection facilities Configuration engine BigMemory: Local/Distributed piles/heaps, ability to store hundreds of millions of objects resident in memory for long times without killing GC Big...
Azure Table Storage persistence layer for IdentityServer4
ASP.NET Core Library for The Identity Hub. The Identity Hub makes it easy to connect your app to all major identity providers like Microsoft, Facebook, Google, Twitter, Linked In and more. For more information see https://www.theidentityhub.com
ASP.NET 5 Authentication Middleware using OAuth 2.0 Introspection (rfc7662)
Entity Framework Core persistence layer for IdentityServer4. Contains original work and that of other GitHub repositories.
Authentication and service implementation for the various Microsoft APIs.
Authentication and service implementation for the Flickr API.