Keycloak leads in popularity with 36,125 stars vs 15,255 stars for SuperTokens. The 137% higher star count indicates stronger community adoption. In terms of developer contributions, Keycloak has 8,766 forks, indicating strong developer engagement.

Keycloak is growing faster, adding 509 stars in the last 30 days (+1.4%) against adding 12 stars for SuperTokens (+0.1%). Keycloak is both larger and pulling further ahead.

Both projects show recent activity, with Keycloak last updated 1 hour ago and SuperTokens 3 hours ago.

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

Keycloak has been in development longer, starting 13 years ago, compared to SuperTokens which began 7 years ago. This 6.6-year head start suggests Keycloak may have more mature features and established processes.

Keycloak is licensed under Apache-2.0, while SuperTokens's license terms are not publicly specified.

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

SuperTokens provides self-hosting options for complete data control and customization, while Keycloak may be primarily cloud-based or require different deployment approaches.