Awesome
NetCassandraBeans
Integration for Cassandra in NetBeans IDE
Open the Services window (Ctrl-5), expand the Databases node, and use the Cassandra node to register and explore clusters:
<img src="https://blogs.oracle.com/geertjan_images/resource/cassandra-couchbase-81-2.png" />Right-click on nodes in the Cassandra cluster for features, such as opening the content of keyspaces, as shown below:
<img style="border:1px solid black" src="https://blogs.oracle.com/geertjan_images/resource/cassandra-couchbase-81-4.png" />