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title: Integrations overview
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There are two main types of integrations with authentik: **Applications** and **Sources**.

## Applications

authentik integrates with many applications. For a full list, and to learn more about adding documentation for a new application, refer to the [Applications](../integrations/services/index.mdx) documentation

## Sources

In addition to applications, authentik also integrates with external sources, including federated directories like Active Directory and through protocols such as LDAP, OAuth, SAML, and SCIM sources. Sources are a way for authentik to use external credentials for authentication and verification. Sources in authentik can also be used for social logins, using external providers such as Facebook, Twitter, etc.

To learn more, refer to the [Sources](https://docs.goauthentik.io/docs/users-sources/sources/index) documentation.
