The Web Service Modeling Toolkit (WSMT) is a Integrated Development Environment for Semantic Web Services intended for use with the Web Service Modeling Ontology (WSMO) and The Web Service Modeling Language (WSML).
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.