CentraSite
CentraSite is a standards-based SOA registry and repository jointly developed by Fujitsu and Software AG. A central "SOA Store" for the enterprise, CentraSite offers visibility and control of integrated SOA based applications and supports enterprise decision-making. CentraSite serves as a Web services and SOA asset management platform, holding all an enterprise's metadata assets.

The CentraSite Community Edition is available for free, immediate download.