Have you noticed / browsed the menu on the left hand side of the page ?

e.g. clicking the first item under HDFS would show you:
On Wed, Apr 2, 2014 at 7:53 PM, EdwardKing <[EMAIL PROTECTED]> wrote:
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB