Top 20 NuGet oauth2 Packages

OSChina (https://www.oschina.net/) OAuth Login Component. https://oauthlogin.net/
Sina Weibo (https://weibo.com/) OAuth Login Component. https://oauthlogin.net/
Wechat (https://mp.weixin.qq.com/) OAuth Login Component. https://oauthlogin.net/
XunLei (https://xunlei.com/) OAuth Login Component. https://oauthlogin.net/
QQ (https://www.qq.net/) OAuth Login Component. https://oauthlogin.net/
Microsoft (https://microsoft.com/) OAuth Login Component. https://oauthlogin.net/
DingTalk (https://dingtalk.com/) OAuth Login Component. https://oauthlogin.net/
DingTalk QrCode (https://dingtalk.com/) OAuth Login Component. https://oauthlogin.net/
Xiaomi (https://mi.com/) OAuth Login Component. https://oauthlogin.net/
StackOverflow (https://stackoverflow.com/) OAuth Login Component. https://oauthlogin.net/
Facebook (https://facebook.com/) OAuth Login Component. https://oauthlogin.net/
ASP.NET Core Middleware for validating scope claims
Class library to simplify application token retrieval from Microsoft OAuth 2.0 workflow.
MembershipReboot support for IdentityServer3
ASP.NET Identity support for IdentityServer3 repackaged as a dll client library, preventing the addition of volatile source code to the destination project
Entity Framework Core persistence layer for IdentityServer4
MongoDB persistence layer for IdentityServer4
High-performance JWT library for OAuth2. Provides Client Assertion primitives.
High-performance JWT library. Provides Key Vault support.
Helper library for claims based identity & access control in ASP.NET Web API v2.