--- title: Community OSS authentication options author: rick-anderson description: Lists open source authentication options for ASP.NET Core. keywords: ASP.NET Core,open-source,authentication ms.author: riande manager: wpickett ms.date: 08/18/2017 ms.topic: article ms.technology: aspnet ms.prod: asp.net-core uid: security/authentication/community --- # Community OSS authentication options This page contains community-provided, open source authentication options for ASP.NET Core. This page will be periodically updated as new providers become available. # OSS Authentication Providers The list below is sorted alphabetically. | Name | Description | |:--------------|:------------------| | [AspNet.Security.OpenIdConnect.Server (ASOS)](https://github.com/aspnet-contrib/AspNet.Security.OpenIdConnect.Server) | Low-level/protocol-first OpenID Connect server framework for ASP.NET Core and OWIN/Katana | | [IdentityServer4](https://identityserver.io/) | OpenID Connect and OAuth 2.0 framework for ASP.NET Core - officially certified by the OpenID Foundation and under governance of the .NET Foundation | | [OpenIddict](https://github.com/openiddict/openiddict-core) | Easy-to-use OpenID Connect server for ASP.NET Core | | [PwdLess](https://github.com/pwdless/pwdless) | Simple, stateless, passwordless authentication for ASP.NET Core | To get your provider added here [edit this page](https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Faspnet%2FDocs%2Fedit%2Fmaster%2Faspnetcore%2Fsecurity%2Fauthentication%2Fcommunity.md).