OpenDDS Programming with C++ and OpenDDS Modeling SDK training from OCI

OpenDDS SourceForge Project Page
Project page for OpenDDS hosted at SourceForge.

Object Management Group (OMG)'s DDS portal
The OMG portal has specifications, whitepapers, and some DDS presentations.

Middleware News Briefs
OCI Middleware News Briefs promoting use of CORBA, DDS, and other object technologies.