Contact us

You can get in touch with the Cassandra community either via the mailing lists or the freenode IRC channels.

Mailing lists

The following mailing lists are available:

Subscribe by sending an email to the email address in the Subscribe links above. Follow the instructions in the welcome email to confirm your subscription. Make sure to keep the welcome email as it contains instructions on how to unsubscribe.


To chat with developers or users in real-time, join our channels on IRC freenode. The following channels are available:

  • #cassandra - for user questions and general discussions.
  • #cassandra-dev - strictly for questions or discussions related to Cassandra development.
  • #cassandra-builds - results of automated test builds.