
Auth0
Keycloak
authentik
Clerk
Okta
Amazon Cognito
SuperTokens
The Identity Infrastructure for Modern B2B SaaS

Low End Box
VPS and cloud server prices, compared at the same size

Which is more popular?
Based on our record, ZITADEL seems to be more popular. It has been mentioned 19 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | zitadel.com | stackrates.ai |
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| Platforms | — | |
| Company | Startup from the United States · 20 - 49 employees · 2021 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Zitadel is the open-source alternative for identity management, built specifically to solve the complex multi-tenancy and fine-grained authorization challenges developers face today. We provide a turnkey solution that handles secure login, organization management, and audit trails so you can ship...
StackRates is a price index for VPS and cloud servers. It reads list prices from 46 providers, from their own pages and price APIs, compares plans at the same memory, and shows the date and source of every number. Free, no account. How it differs from what you may use now: - Low End Box publishes...
What each product offers, as listed by its team.


No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ZITADEL and StackRates. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Zitadel is an open-source identity management platform — a self-hosted alternative to Auth0, Okta, and Firebase Auth. It provides authentication, authorization, and user management with a comprehensive API. - Source: dev.to / 8 months ago
Looks nice, we've been using https://zitadel.com/ and the journey to mutli-tennancy was fairly straight forward. - Source: Hacker News / over 1 year ago
If you prefer an open source, and maybe more mature, alternative for multi tenant/b2b auth then have a look at https://zitadel.com (disclosure: work for zitadel). - Source: Hacker News / about 2 years ago
Tracking StackRates since Oct 2026.
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Open Source Identity and Access Management for modern Applications and Services.
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authentik is an open-source identity provider focused on flexibility and versatility.
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Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
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Enterprise-grade identity management for all your apps, users & devices
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