URBE (Uddi Query By Example) is a WSDL based web service interface matchmaker. Given two SAWSDL/WSDL files URBE states the similarity between them. More info at http://doi.ieeecomputersociety.org/10.1109/TKDE.2009.35
Open Source UDDI v3 server implemented in Java. The server is focused on simplicity, and supports SQL backends through Hibernate. The project also contains a UDDI v3 client library for Java.
Framework for supporting reliable, secure E-Business using open standards. Including components for web service calls, non-repudiation, UDDI-registries and a standardized subset of the UBL 2.0 business document profile. Supported for .Net and java.