Apache Cassandra is an open-source distributed NoSQL database management system that is scalable while also placing a high value on performance. The Java-based system can be managed and monitored via Java Management Extensions (JMX).  

Actian X is a combination of Ingres transactional and Vector analytic databases and a robust monitoring tool. Fortune 100 companies and government agencies run business critical systems with Actian and keep their application systems available with Actians proactive database monitoring and management.