Microsoft UDDI SDK
- Provides tools required for developer to interact with a UDDI registry. By Microsoft.
- http://msdn.microsoft.com/library/default.asp?url=/downloads/list/websrvuddi.asp

UDDI 2.0 in Java
- A reference implementation of the UDDI specification. With this UDDI Registry, Web services developers can publish and test their applications in a secure, private environment for their own applications.
- http://soapuddi.sourceforge.net/