--- title: Community OSS authentication options for ASP.NET Core author: rick-anderson description: Discover open-source authentication options for ASP.NET Core. ms.author: riande ms.date: 10/28/2019 no-loc: [appsettings.json, "ASP.NET Core Identity", cookie, Cookie, Blazor, "Blazor Server", "Blazor WebAssembly", "Identity", "Let's Encrypt", Razor, SignalR] uid: security/authentication/community --- # Community OSS authentication options for ASP.NET Core This page contains community-provided, open source authentication options for ASP.NET Core. This page is periodically updated as new providers become available. ## OSS authentication providers The list below is sorted alphabetically. | Name | Description | | ---- | ----------- | | [Gluu Server](https://gluu.org/) | Enterprise ready, open source software for identity, access management (IAM), and single sign-on (SSO). For more information, see the [Gluu Product Documentation](https://gluu.org/docs/). | | [IdentityServer](https://identityserver.io/) | IdentityServer is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core, officially certified by the OpenID Foundation and under governance of the .NET Foundation. For more information, see [Welcome to IdentityServer4 (Documentation)](https://identityserver4.readthedocs.io/en/latest/). | | [OpenIddict](https://github.com/openiddict/openiddict-core) | Versatile OpenID Connect stack for ASP.NET Core 2.1/3.1/5.0 and Microsoft.Owin 4.1 (compatible with ASP.NET 4.6.1). | To add a provider, [edit this page](https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fdotnet%2FAspNetCore.Docs%2Fedit%2Fmain%2Faspnetcore%2Fsecurity%2Fauthentication%2Fcommunity.md).