# 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 | To get your provider added here [edit this page](https://github.com/aspnet/Docs/edit/master/aspnetcore/security/authentication/community.md).