Community OSS authentication options for ASP.NET Core

This page shows community-provided open-source software (OSS) authentication options for ASP.NET Core. This page is periodically updated as new providers become available.

OSS authentication providers [.NET]

Name	Description
Duende IdentityServer	IdentityServer is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core.
OpenIddict	OAuth 2.0/OpenID Connect server for ASP.NET Core and ASP.NET 4.x.
FIDO2 .NET Library, WebAuthn	FIDO2 .NET library for FIDO2 / WebAuthn Attestation and Assertion using .NET

OSS authentication provider clients [.NET]

Name	Description
OpenIddict	OAuth 2.0/OpenID Connect client for ASP.NET Core, ASP.NET 4.x and Windows/Linux desktop apps with built-in integrations for 80+ services such as Auth0, Microsoft Entra ID, GitHub, Google, Twitter or Yahoo.
AspNet.Security.OAuth.Providers	A collection of security middleware for ASP.NET Core apps to support social authentication.
AspNet.Security.OpenId.Providers	A collection of security middleware for ASP.NET Core apps to support OpenID 2.0 authentication providers like Steam.

Other OSS authentication providers

Name	Description
Gluu Server	Enterprise ready, open source software for identity, access management (IAM), and single sign-on (SSO). For more information, see the Gluu Product Documentation.
Keycloak	Open Source Identity and Access Management For Modern Applications and Services.
node-oidc-provider	OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js.
Authentik	Authentik is an open-source Identity Provider focused on flexibility and versatility.

To add a provider, edit this page.