
Auth0
Clerk
Keycloak
PropelAuth
Hanko
AuthKit
ZITADEL
Open-source Auth0/Clerk Alternative

Auth0
Keycloak
Clerk Authentication
AuthKit
FusionAuth
Hanko
AWS Identity and Access Management
We learnt from our dev community that the identity service has been such a time-consuming and complex task for them in the past, which is why we’ve simplified the experience.

Which is more popular?
Based on our record, Logto should be more popular than Stack Auth. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | stack-auth.com | logto.io |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
Walkthroughs and reviews on video.
W18D3 C3: Full Stack Auth Review: User/Computer Order & Developer Build Order
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How often each product is chosen within a category, 0–100% relative to the other.


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


Five minutes. That's how long Stack Auth takes to set up. - Source: dev.to / 10 months ago
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.... - Source: Hacker News / about 1 year ago
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... - Source: dev.to / almost 2 years ago
Logto - Develop, secure, and manage user identities of your product - for both authentication and authorization. Free for up to 5,000 MAUs with open-source self-hosted option available. - Source: dev.to / over 2 years ago
We'd like also invite you to take a look at our new website and explore the features of Logto Cloud. - Source: dev.to / about 3 years ago
Want to give it a try? Go to Logto Cloud and pick a connector. - Source: dev.to / about 3 years ago
When comparing Stack Auth and Logto, you can also consider the following products.

Auth0 is a program for people to get authentication and authorization services for their own business use.
Compare Auth0 to Stack Auth or Logto:

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Compare Clerk to Stack Auth or Logto:

Open Source Identity and Access Management for modern Applications and Services.
Compare Keycloak to Stack Auth or Logto:

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.
Compare Clerk Authentication to Stack Auth or Logto:

PropelAuth hosts and manages your authentication.
Compare PropelAuth to Stack Auth or Logto:

The world's best login box, powered by WorkOS + Radix.
Compare AuthKit to Stack Auth or Logto: