Virtuoso is an innovative Virtualization platform that transparently
integrates Data, Services, and Business Processes across the enterprise.
Its unique product architecture enables it to delivery traditionally
distinct server functionality, within a single product offering,
along the following lines:
* Data Management & Integration (SQL, XML and EII)
* Application Integration (Web Services & SOA)
* Process Management & Integration (BPEL)
* Collaboration and Network Effects

WWW: http://virtuoso.openlinksw.com/