What is the main difference between Authgear and Keycloak?

Authgear and Keycloak are both authentication & sso providers but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Authgear or Keycloak?

The choice between Authgear and Keycloak depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Authgear to Keycloak?

Migration between Authgear and Keycloak is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

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Authgear vs Keycloak

Learn how Authgear and Keycloak differ in their key features, development activity, technology stack and community adoption, so you can decide which of these authentication & sso providers is best for you.

Authgear

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

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2,146stars+44(+2.1%)

Last 30 days

Last commit
2 days ago
Repository age
6 years
Version
04.0
License
Apache-2.0
Self-hosted
Yes
Repository
authgear-server

Keycloak

Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

Visit Keycloak Read more

37,749stars+495(+1.3%)

Last 30 days

Last commit
13 hours ago
Repository age
13 years
Version
26.8.2
License
Apache-2.0
Self-hosted
Yes
Repository
keycloak/keycloak

Detailed Comparison

Both Authgear and Keycloak have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Keycloak wins

Community & Popularity

Keycloak significantly outpaces Authgear in community adoption with 37,749 stars compared to 2,146 stars on GitHub. This 17.6x difference suggests Keycloak has a much larger and more active community. In terms of developer contributions, Keycloak has 9,157 forks, indicating strong developer engagement.

Authgear wins

Growth Momentum

Authgear is growing faster, adding 44 stars in the last 30 days (+2.1%) against adding 495 stars for Keycloak (+1.3%). Authgear is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable

Development Activity

Both projects show recent activity, with Authgear last updated 2 days ago and Keycloak 13 hours ago.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python. However, they differ in their additional technology choices: Authgear uses Golang while Keycloak leverages C, Java.

Keycloak wins

Project Maturity

Keycloak has been in development longer, starting 13 years ago, compared to Authgear which began 6 years ago. This 7.1-year head start suggests Keycloak may have more mature features and established processes.

Comparable

Licensing

Both projects use the Apache-2.0 license, providing identical terms for usage and distribution.

Comparable

Use Cases & Features

Both tools serve similar use cases in Authentication & SSO. However, they also have distinct specializations: Keycloak extends into Authorization & Permissions.

Comparable