authentik is an open-source Identity Provider (IdP) for modern SSO. It supports SAML, OAuth2/OIDC, LDAP, RADIUS, and more, designed for self-hosting from small labs to large production clusters.
Our enterprise offering is available for organizations to securely replace existing IdPs such as Okta, Auth0, Entra ID, and Ping Identity for robust, large-scale identity management.
Installation
Docker Compose: recommended for small/test setups. See the documentation.
Kubernetes (Helm Chart): recommended for larger setups. See the documentation and the Helm chart repository.
AWS CloudFormation: deploy on AWS using our official templates. See the documentation.
DigitalOcean Marketplace: one-click deployment via the official Marketplace app. See the app listing.
Screenshots
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Development and contributions
See the Developer Documentation for information about setting up local build environments, testing your contributions, and our contribution process.
When you contribute documentation, either to accompany a code change or as a standalone contribution, please be sure to follow our documentation Style Guide.
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