-The
-[Arvados user mailing list](http://lists.arvados.org/mailman/listinfo/arvados)
-is a forum for general discussion, questions, and news about Arvados
-development. The
-[Arvados developer mailing list](http://lists.arvados.org/mailman/listinfo/arvados-dev)
-is a forum for more technical discussion, intended for developers and
-contributors to Arvados.
+The [Arvados developement channel](https://gitter.im/arvados/development)
+channel at [gitter.im](https://gitter.im) is used to coordinate development.