Top 20 NuGet oauth2 Packages

Provides easy JWT Authentication into your .NET, MVC and WebAPI projects.
Interfaces that needed for Exoft.Security.OAuthServer package.
Nhibernate-based persistence layer for IdentityServer3
Unofficial EntityFramework 6 persistence layer for IdentityServer4
Provides an OAuth2 Client for authenticating with GitHub. Hooks into ASP.NET MVC 4 via DotNetOpenAuth.
This OAuth 2 is a simple login frame with integration of Facebook, Google, Windows Live,Paypal login function. Just get the user information, the user log in is integrated into application. Support setting server agent.
Provider Agnostic OAuth authentication with External Providers
Extension to DotNetOpenAuth adding more social networks
A DotNetOpenAuth client for logging in to OSChina using OAuth2.
This package provides a DotNetOpenAuth client enabling PixelPin OAuth2 functionality for your site. This package does NOT use or require ASP.Net membership functionality or dlls but utilises DotNetOpenAuth directly. This client is therefore suitable for sites that do not or cannot include the stand...
This package provides a DotNetOpenAuth client enabling PixelPin OAuth2 functionality for your site. This package uses ASP.Net membership functionality via dlls provided by Microsoft. This required functionality is provided automatically in new web forms and MVC projects in Visual studio and is desig...
A simple Twitch OAuth2 client/provider for ASP.NET websites
Allows you to perform user authentication via DigitalOcean, Facebook, Foursquare, GitHub, Google, Instagram, LinkedIn, MailRu, Odnoklassniki, Salesforce, Twitter, VK (Vkontakte), Windows Live, Yandex,QQ,Weibo,Baidu,JD,Kaixin001,360,renren,taobao just in two method calls.
Client helper for OAuth 2.0 "Client Credentials" flow with JWT token assertion
Build claims for authenticated user and construct a user object from claims.
OpenID Connect broker shared components
OpenID Connect broker for desktop WPF applications
OpenID Connect broker for Universal App Platform
Nequeo OAuth2 component
Azure OAuth2 helper to obtain acess token