Top 20 NuGet oauth2 Packages

Used with SimpleAuthentication, provides automated configuration for ASP.NET Mvc projects.
Free and Open Source fork of ServiceStack V3 Adds OAuth2 Providers for use in NServiceKit Web and REST Services. Includes built-in support for Google and LinkedIn OAuth2 providers. More Info on Auth Providers: https://github.com/NServiceKit/NServiceKit/wik...
Aerogear windows oauth2 SDK
Plugin for adding Telerik Sitefinity Identity Provider capabilities to IdentityServer3
Entity Framework-based persistence layer for Sitefinity Relying parties on IdentityServer3
OpenID Connect broker for Universal App Platform
This package provides classes for accessing the MusicBrainz web services (lookup, search and OAuth2).
Provides an OAuth2 Client for authenticating with GitHub. Hooks into ASP.NET MVC 4 via DotNetOpenAuth. A Fork of GitHubOAuth2Client by jbubriski that adds additional features.
Angular Oauth2 (angular-oauth2) binding library for Bridge.NET projects.
Meteor Prime8consulting Oauth2 (meteor-prime8consulting-oauth2) binding library for Bridge.NET projects.
Handles OAuth2 code flow to get authorization tokens from OpenID Connect providers, spawning a web browser for interactive authentication as needed.
Oauth2 Server (oauth2-server) binding library for Bridge.NET projects.
ASP.NET Core OAuth2 middleware for Ecwid API v3
gRPC library compatible with .NET Core. Currently, the Grpc.Auth NuGet package doesn't support .NET Core. This package supplies a version which runs on .NET Core that is experimental and in-development.
Provides an easy-to-use interface for OIDC-dependant applications.
.NetStandard library for accessing easily Azure AD/B2C secured API's via Oauth2 and getting information via the Graph Api
EntityFramework persistence layer for IdentityServer4