Top 20 NuGet signin Packages

Provides a wrapper around Firebase auth library to make easy to create social sign up and sign in
Google Sign-In is a secure authentication system that reduces the burden of login for your users, by enabling them to sign in with their Google account, the same account they already use with Gmail, Play, Google+, and other Google services.
Sign in with Twitter OAuth implentation for Windows Phone 8.1
Facebook Sign-In is a secure authentication system that reduces the burden of login for your users, by enabling them to sign in with their facebook account, the same account they already use with Facebook.
Provides OAuth2 login support for various external sites.
Middlewares for the Ural Boilerplate project.
AppleAuth.NET is a simple library that facilitates the implementation of "Sign in with Apple" in a .NET application.
Localized resource for the Ural Boilerplate project.