Software Alternatives, Accelerators & Startups

Stack Auth VS authentik

Compare Stack Auth VS authentik and see what are their differences

Stack Auth logo Stack Auth

Open-source Auth0/Clerk Alternative

authentik logo authentik

authentik is an open-source identity provider focused on flexibility and versatility.
Not present
  • authentik Landing page
    Landing page //
    2023-09-11

Stack Auth features and specs

No features have been listed yet.

authentik features and specs

  • Open Source
    Authentik is an open-source identity provider, which means you can access and modify the source code to suit your needs without licensing fees.
  • Flexible Authentication Methods
    Authentik supports a variety of authentication methods, including traditional username/password, OAuth, SAML, and LDAP, allowing integration with diverse systems.
  • User Interface and Experience
    Provides an intuitive and user-friendly interface for administrators to manage user identities and configure authentication workflows.
  • Docker Deployment
    Easily deployable via Docker, which simplifies the installation and scaling processes, making it adaptable to different environments.
  • Community Support
    Being open-source, authentik benefits from community contributions which can lead to faster improvements and support through forums and community channels.

Possible disadvantages of authentik

  • Complex Configuration
    The flexibility of authentik can lead to complex configurations that might be challenging for users without prior experience in identity management systems.
  • Limited Documentation
    The official documentation may not be as comprehensive as commercial offerings, potentially making the implementation process slower for new users.
  • Scalability Concerns
    While suitable for many use cases, authentik might face challenges when scaling to extremely large, enterprise-level implementations without tailored optimizations.
  • Support Reliance on Community
    As an open-source project, the level of direct support is typically limited unless supplemented by a third-party service provider.
  • Relative Maturity
    Compared to some established competitors, authentik might lack some advanced features present in mature, commercial identity management solutions.

Stack Auth videos

W18D3 C3: Full Stack Auth Review: User/Computer Order & Developer Build Order

authentik videos

New ZOEVA Authentik Skin Natural Luminous Foundation...First Impressions Review + 10 HR Wear Test

More videos:

  • Tutorial - Authentik: How to Install with Docker and Why You Should
  • Review - Authentik Music Video Review Show

Category Popularity

0-100% (relative to Stack Auth and authentik)
Identity And Access Management
Identity Provider
34 34%
66% 66
SSO
34 34%
66% 66
Developer Tools
100 100%
0% 0

User comments

Share your experience with using Stack Auth and authentik. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, authentik seems to be a lot more popular than Stack Auth. While we know about 52 links to authentik, we've tracked only 4 mentions of Stack Auth. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Stack Auth mentions (4)

  • I Tested 7 Open Source Clerk Alternatives for Full-Stack Developers
    Five minutes. That's how long Stack Auth takes to set up. - Source: dev.to / 9 months ago
  • Ask HN: Who is hiring? (September 2025)
    Stack Auth (S24) | San Francisco, CA | Full-time Hiring founding & design engineers! We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more. We're selling to developers & startups so our audience is right here on this website! If you're in San Francisco and frequent Hacker News, that's enough of a reason to DM me on... - Source: Hacker News / about 1 year ago
  • Building Multi-Tenant Apps Using StackAuth's "Teams" and Next.js
    StackAuth is an open-source authentication and user management platform designed to integrate seamlessly into Next.js projects. Its combination of frontend/backend APIs and pre-built UI components dramatically simplifies the integration of such capabilities into your application. Similarly, its newer "Teams" feature provides an excellent starting point for creating multi-tenant applications. In this post, we'll... - Source: dev.to / over 1 year ago
  • Stack Auth (YC S24), the open-source Auth0 alternative, is hiring Founding SWEs
    Hi HN! We're building Stack Auth (https://stack-auth.com/), an open-source managed authentication and authorization platform. Basically, we build your login and signup pages, and everything that comes with that. You can find our customer pitch elsewhere, so instead I'll tell you more about us and the company. We are developers building for other developers, so you can think of... - Source: Hacker News / almost 2 years ago

authentik mentions (52)

  • AI slop security engineering: Okta's NextJS-0auth troubles
    Https://goauthentik.io/#comparison They have an enterprise version now (mostly for support and bleeding edge features that later make it into the open source product.) It's pretty easy to self host. I have been doing it for a small site for years and I couldn't even get any other open source solution to work. They are mostly huge with less features. - Source: Hacker News / 10 months ago
  • We replaced passwords with something worse
    I recently set up passkey-only sign ins for a webapp I'm writing using Authentik [0](Python OIDC provider, with quite a nice docker-compose run-up, took only minutes to stand up.) It was surprisingly easy to configure everything so that passkeys are the only thing ever used. If anyone would be interested I could write it up? I was surprised what a nice user flow it is and how easy it was to achieve. [0]... - Source: Hacker News / about 1 year ago
  • Frequent reauth doesn't make you more secure
    I set up Authentik[^1] on my NAS in a docker container and went from there! Just had to add a .well-known webfinger file to my domain that pointed to the Authentik instance and it "just worked" with Tailscale. [^1]: https://goauthentik.io/. - Source: Hacker News / about 1 year ago
  • Ask HN: Who is hiring? (June 2025)
    Authentik Security | Senior Engineer | US | REMOTE (anywhere) | Full-time Authentik Security (https://goauthentik.io) is the company behind authentik (https://github.com/goauthentik/authentik. - Source: Hacker News / over 1 year ago
  • Windows 2000 Server named peak Microsoft. Readers say all downhill since Clippy
    > Honest to god, if an IdP like Okta made an Active Directory replacement that ran via container https://goauthentik.io/ can run in docker. It can be paired in with openldap containers, too. - Source: Hacker News / over 1 year ago
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What are some alternatives?

When comparing Stack Auth and authentik, you can also consider the following products

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

Keycloak - Open Source Identity and Access Management for modern Applications and Services.

ZITADEL - The Identity Infrastructure for Modern B2B SaaS

Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

AuthKit - The world's best login box, powered by WorkOS + Radix.

VoidAuth - Single Sign-On for Your Self-Hosted Universe 🐈‍⬛🔒