My organization is considering using this for our online community. I am looking for examples from other organizations who are using this.
You can check . Although it might not work on AEM6.4 given some of the content paths have changed. Please test.
Lastly, refer to AEM Forum post .
 GitHub - Adobe-Marketing-Cloud/aem-communities-samples: Several sample demonstration sites for AEM C...
 Publicly available examples of AEM Communities?