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Sosnoski Software Associates Ltd provides training and support for CXF, along with training and support for web services security and SOA based on CXF.
Talend
Talend provides enterprise level services and support for Apache CXF and their Talend Service Factory product which is a repackaging of CXF including a full, pre-configured OSGi runtime container. Talend also has a package of examples that demonstrate many of CXF's advanced features including JAX-RS use cases, OSGi deployments, Security, etc...
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