I'm honored to announce the general availability of "vCenter Converter 5.5" and it's corresponding SDK component!
It is compatible with the latest vSphere 5.5 platform. For additional details you can check the Converter 5.5 release notes:
VMware vCenter Converter 5.5 Standalone Release Notes
From here you can download the latest vCenter Converter 5.5 bits:
From here you can download the Converter 5.5 SDK bits:
vCenter Converter SDK for vSphere 5.5
-- Antoan Arnaudov
(Product Manager, VMware)