Casdoor vs Keycloak: Which is Better in 2026?
Choosing between Casdoor and Keycloak comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Best for you if:
- • Open-source IAM/SSO platform with a modern web UI.
- • Supports a wide range of authentication protocols and identity providers.
Keycloak
Open-source identity and access management
Best for you if:
- • Keycloak is an open-source identity and access management solution
- • It provides SSO, social login, and user federation for applications and services
| At a Glance |  Casdoor | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Identity & Access | Identity & Access |
Rating | - | 4.3/5 |
Free plan | Yes | Yes |
Choose Casdoor or Keycloak?
Choose Casdoor if
An open-source, UI-first identity and access management and single sign-on platform.
- Comprehensive support for various authentication standards and identity providers
- Includes SaaS management capabilities for subscription businesses
- Open-source and UI-first for ease of use and customization
Choose Keycloak if
Open-source identity and access management
- Open source identity
- Self-hostable
- Feature rich
| Feature | Casdoor | Keycloak |
|---|---|---|
| Pricing Model | Free | Free |
| User Rating | No ratings yet | ★4.3/5 101 reviews |
| Categories | Identity & AccessSecurity | Identity & AccessSecurity |
In-Depth Analysis
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Strengths
- +Comprehensive support for various authentication standards and identity providers
- +Includes SaaS management capabilities for subscription businesses
- +Open-source and UI-first for ease of use and customization
- +Scalable and performant for high-concurrency environments
- +Well-documented integration process
Weaknesses
- -Requires technical expertise for deployment and advanced configuration
- -Reliance on community for additional provider requests
Key features
Keycloak
Open-source identity and access management
Strengths
- +Open source identity
- +Self-hostable
- +Feature rich
- +No per-user cost
- +Enterprise ready
Weaknesses
- -Complex to set up
- -Requires maintenance
- -Learning curve
- -Java-based
- -UI dated
Key features
Pricing: Casdoor vs Keycloak
| Plan | Casdoor | Keycloak |
|---|---|---|
| Tier 1 | N/A | Free Open Source |
Pricing verified from each vendor's public pricing page. Compare in detail on Casdoor pricing and Keycloak pricing.
Who Should Use What?
On a budget?
Both are free. Compare plans on their websites.
Go with: Casdoor
Want the highest-rated option?
Keycloak is rated 4.3/5. Casdoor has no ratings yet.
Go with: Keycloak
Value user reviews?
Casdoor: no ratings yet. Keycloak: 101 reviews (4.3/5).
Go with: Keycloak
3 Questions to Help You Decide
What's your budget?
Both are free. Pricing won't help you decide here.
What's your use case?
Both are identity & access tools. Compare their specific features to decide.
How important are ratings?
Keycloak is rated 4.3/5; Casdoor has no ratings yet.
Key Takeaways
Keycloak
- Completely free
- Our pick for this comparison
Casdoor
- Choose if you want an open-source, UI-first identity and access management and single sign-on platform
The Bottom Line
Keycloak is our pick.
Frequently Asked Questions
Is Casdoor or Keycloak better?
Keycloak is rated in our evaluation. Both are free.
What are Casdoor and Keycloak used for?
Casdoor: An open-source, UI-first identity and access management and single sign-on platform.. Keycloak: Open-source identity and access management.
What does Casdoor cost vs Keycloak?
Casdoor is completely free. Keycloak is completely free. Visit their websites for detailed pricing.