C++ Based OPC UA Client/Server SDK  1.6.3.406
Namespace List
Here is a list of all documented namespaces with brief descriptions:
 NOpcUaDiNamespace for the UA information model http://opcfoundation.org/UA/DI/
 NOpcUaPlcNamespace for the UA information model http://PLCopen.org/OpcUa/IEC61131-3/
 NUaClientSdkNamespace for the C++ OPC UA Client Library