Keycloak
Keycloak is an open-source identity and access management solution that provides user federation, strong authentication, user management, fine-grained authorization, and more.
According to our data, Keycloak is the 9th most popular authentication service on the web.
It has 3.2% of the authentication market share and is detected on 0.02% of all websites.
- 🏠 Website
- </> Source code
- 👨👩👦👦 Community
Reddit
Stack Overflow💸 Pricing
Keycloak is available for free.
📊 Rankings and Market Share
- Authentication
- Rank: 9
- Market share: 3.2%
🏆 Keycloak Awards
- 🥇 Most popular in Colombia in the Authentication category.
- 🥈 Second most popular in Switzerland in the Authentication category.
- 🥈 Second most popular in Denmark in the Authentication category.
- ⭐ 4th most popular in Germany in the Authentication category.
- ⭐ 6th most popular in France in the Authentication category.
⚡ Sites Using Keycloak
We have data on 837 websites that use the Keycloak authentication service. Here is a list of some of the top ranked ones.
The highest rated site using Keycloak is 
hostinger.com.
| # | Website | Rank | Country | Language |
|---|---|---|---|---|
| 1 | hostinger.com |
#1,095 | American English | |
| 2 |  redhat.com |
#2,653 | United States | English |
| 3 | #2,907 | Spain | European Spanish | |
| 4 | #3,551 | English | ||
| 5 | #5,506 | Switzerland | English | |
| 6 | #6,186 | Brazil | Portuguese | |
| 7 | #6,655 | Philippines | American English | |
| 8 | #7,040 | France | French | |
| 9 | #7,726 | Brazil | Brazilian Portuguese | |
| 10 | #8,032 | United States | English | |
| 11 | #8,308 | Greece | Greek | |
| 12 | #9,339 | Pakistan | English | |
| 13 | #9,965 | India | English | |
| 14 | #11,477 | Spain | Catalan | |
| 15 | #11,893 | United Arab Emirates | English | |
| 16 | #11,992 | Hungary | Hungarian | |
| 17 | #12,781 | India | English | |
| 18 | #14,311 | Chile | Spanish | |
| 19 | #16,899 | France | French | |
| 20 | #18,555 | English |
📈 Usage Statistics
Most of the sites that use Keycloak:
- are located in the United States
- have content in English
- use the .com domain extension
- fall into the Business category.
Most of the sites using Keycloak are from the United States, Colombia, and Germany.
- United States 24.7%
- Colombia 15.9%
- Germany 11.9%
- France 7%
- Switzerland 4.8%
- Denmark 3.6%
- Austria 2.4%
- United Kingdom 2.4%
- Netherlands 2%
- Other 25.3%
Most Keycloak users speak English, Spanish, or German.
- English 34.3%
- Spanish 31.2%
- German 11.2%
- French 6.2%
- Danish 2.5%
- Dutch 1.8%
- Russian 1.6%
- Italian 1.2%
- Portuguese 1.1%
- Other 8.9%
The Keycloak authentication service is especially popular on .com, .gov.co, and .de top-level domains.
- .com 28.4%
- .gov.co 26.6%
- .de 5.5%
- .fr 3.3%
- .ch 3.3%
- .dk 2.5%
- .at 2.3%
- .org 1.6%
- .net 1.3%
- Other 25.2%
The primary market segments for websites utilizing Keycloak include business, marketing and merchandising, and travel.
- Business 18.4%
- Marketing/Merchandising 9.7%
- Travel 7.4%
- Entertainment 6.9%
- General News 5.5%
- Internet Services 5.1%
- Online Shopping 5.1%
- Sports 4.6%
- Real Estate 4.1%
- Other 33.2%
🕵️ Similar Technologies
These are some of the best Keycloak alternatives.
Google Identity
Auth0
Supabase
Auth.js
Clerk🆚 Compare Alternatives
Compare Keycloak to…
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Facebook Login💬 Frequently Asked Questions
What is the company behind Keycloak?
Keycloak is owned by the Linux Foundation, headquartered in San Francisco, California, United States.
Is Keycloak free?
Yes, it is a free authentication service.
Moreover, it is an open-source solution, and its code is available on 
GitHub.
Which country uses Keycloak the most?
The majority of Keycloak users are from the United States.
Who uses Keycloak?
According to our data, Keycloak is used on hundreds of sites, including such established ones as hostinger.com, redhat.com, and coches.net.
Is Keycloak used on government websites?
Yes, for example, it is used by mybharat.gov.in.
Do academic institutions use Keycloak?
Yes. Overall, we know of 2 academic websites in the United States that use Keycloak.
How does Keycloak stack up against the competition?
Keycloak is a moderately popular authentication service, ranking ahead of 11 other authentication services we track.
👉 See Also
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,524,018 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.