Sorry I should have added on that page there is no converter version 5 for Linux.
Only:
VMware vCenter Converter Standalone 5.0
08/31/11 | 5.0 | 126 MB | Binary (.exe) (Windows!)
and an old version for Linux:
Converter Installer for Linux
05/21/09 | 4.0.1 | 117 MB | Binary (.tar.gz)