---
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: 03/12/2018
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 |
| ---- | ----------- |
| [AspNet.Security.OpenIdConnect.Server (ASOS)](https://github.com/aspnet-contrib/AspNet.Security.OpenIdConnect.Server) | ASOS is a low-level, protocol-first OpenID Connect server framework for ASP.NET Core and OWIN/Katana. |
| [Cierge](https://github.com/pwdless/Cierge) | Cierge is an OpenID Connect server that handles user signup, login, profiles, management, and social logins. |
| [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/release/). |
| [OpenIddict](https://github.com/openiddict/openiddict-core) | OpenIddict is an easy-to-use OpenID Connect server for ASP.NET Core. |

To add a provider, [edit this page](https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Faspnet%2FDocs%2Fedit%2Fmaster%2Faspnetcore%2Fsecurity%2Fauthentication%2Fcommunity.md).