Keycloak significantly outpaces Hanko in community adoption with 36,125 stars compared to 9,000 stars on GitHub. This 4.0x difference suggests Keycloak has a much larger and more active community. 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 32 stars for Hanko (+0.4%). Keycloak is both larger and pulling further ahead.

Both projects show recent activity, with Hanko last updated 2 hours ago and Keycloak 1 hour ago.

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

Keycloak has been in development longer, starting 13 years ago, compared to Hanko which began 4 years ago. This 8.8-year head start suggests Keycloak may have more mature features and established processes.

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

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

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