As the OpenStack cloud computing arena grows, a whole ecosystem of tools is growing along with it. Tesora, the leading contributor to the OpenStack Trove open source project, is out this week with what it is billing as the first enterprise-ready, commercial implementation of OpenStack Trove database as a service (DBaaS). Tesora also recently announced that it has open sourced its Tesora Database Virtualization Engine, and now is also offering the Tesora OpenStack Trove Database Certification Program.