WSO2 is building an open source registry to suit the requirements of SOA platform . At the moment it is very difficult to find an open source repository to store various Web services related stuff as well as to manage them. Specially with version management support, WOS2 registry going to have inbuilt support for dependency management for various web service components such as WSDL , Schemas and etc.. . WSO2 registry has implemented most of the core functionalities , but it has not released it first release.
Before doing a release WSO2 has organize a hackathon in Mountain View, CA to discuss the current implementation and to find out what need to for the up coming release. The exact location will be update inform soon.