@CycleDecoded: Enterprise-grade single sign-on (SSO) and identity authentication, usually insanely expensive, but someone open-sourced a “nuclear-grade” alternative. This is authentik (project: goauthentik/authentik) that’s blowing up on GitHub. An open-source project led by a German guy, currently 1…
Summary
Introducing the open-source identity authentication/SSO project authentik, supporting protocols like OAuth2/OIDC, SAML, LDAP, and self-hosted as a replacement for commercial solutions such as Okta/Auth0.
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Enterprise-grade Single Sign-On (SSO) and identity authentication normally cost a fortune, yet someone has actually open-sourced a “nuclear-grade” alternative. That’s authentik (project: goauthentik/authentik), currently on fire on GitHub. Led by a German developer, this open-source project has 13k+ stars and is licensed under GPL-3.0. In short, it’s an “identity glue” that binds all of your apps, services, and gateways together.
Why has it been blowing up lately:
- Zero-cost enterprise-grade SSO: completely free and open-source, saving you the tens of thousands of dollars in annual Okta/Auth0 licensing fees.
- Full protocol support out of the box: OAuth2/OIDC, SAML 2.0, LDAP, RADIUS — if you can think of it, it’s got it.
- Powerful built-in web UI: no coding required — configure complex user flows, multi-factor authentication (MFA), and permission controls by drag-and-drop.
- Built-in User Portal: after deployment, your team gets a unified app navigation page with one-click login to every tool.
- Self-hosting made dead simple: Docker Compose gets you up and running in minutes; data stays entirely in your hands, with privacy maxed out.
Whether you’re a Homelab tinkerer or a startup that doesn’t want to pay protection money to SaaS identity vendors, this one’s a sweet free win.
Link: https://github.com/goauthentik/authentik…
goauthentik/authentik
Source: https://github.com/goauthentik/authentik
Join Discord (https://goauthentik.io/discord) GitHub Workflow Status (https://github.com/goauthentik/authentik/actions/workflows/ci-main.yml) GitHub Workflow Status (https://github.com/goauthentik/authentik/actions/workflows/ci-outpost.yml) GitHub Workflow Status (https://github.com/goauthentik/authentik/actions/workflows/ci-web.yml) Code Coverage (https://codecov.io/gh/goauthentik/authentik) Latest version
What is authentik?
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 (https://goauthentik.io/pricing) 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 (https://docs.goauthentik.io/docs/install-config/install/docker-compose/).
- Kubernetes (Helm Chart): recommended for larger setups. See the documentation (https://docs.goauthentik.io/docs/install-config/install/kubernetes/) and the Helm chart repository (https://github.com/goauthentik/helm).
- AWS CloudFormation: deploy on AWS using our official templates. See the documentation (https://docs.goauthentik.io/docs/install-config/install/aws/).
- DigitalOcean Marketplace: one-click deployment via the official Marketplace app. See the app listing (https://marketplace.digitalocean.com/apps/authentik).
Screenshots
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Development and contributions
See the Developer Documentation (https://docs.goauthentik.io/docs/developer-docs/) 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.
Security
Please see SECURITY.md.
Adoption
Using authentik? We’d love to hear your story and feature your logo. Email us at [email protected] or open a GitHub Issue/PR!
License
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