ftp://ftp.auckland.ac.nz/pub/perl/CPAN/modules/by-category/24_Commercial_Software_Interfaces/  direct

[DIR]CA/  direct  460+ twin directories
[DIR]AltaVista/  direct  240+ twin directories
[DIR]CAD/  direct  290+ twin directories
[DIR]JUNOS/  direct  330+ twin directories
[DIR]Openview/  direct  220+ twin directories
[DIR]Real/  direct  260+ twin directories
[DIR]SVN/  direct  220+ twin directories
[DIR]TiVo/  direct  220+ twin directories
[DIR]Tivoli/  direct  240+ twin directories
[DIR]Ekahau/  direct  210+ twin directories
[DIR]Messaging/  direct  220+ twin directories
[DIR]Nokia/  direct  230+ twin directories
[DIR]P4/  direct  380+ twin directories
[DIR]Symantec/  direct  230+ twin directories
[DIR]Flickr/  direct  210+ twin directories
[DIR]HtDig/  direct  230+ twin directories
[DIR]IBM/  direct  520+ twin directories
[DIR]MQSeries/  direct  240+ twin directories
[DIR]NexTrieve/  direct  230+ twin directories
[DIR]TAMeb/  direct  200+ twin directories
[DIR]Tibco/  direct  220+ twin directories
[DIR]Vonage/  direct  210+ twin directories
[DIR]WebSphere/  direct  220+ twin directories
[DIR]cPanel/  direct  210+ twin directories
[DIR]eBay/  direct  200+ twin directories
[DIR]QualysGuard/  direct  131 twin directories
[DIR]R3/  direct  240+ twin directories
[DIR]SAP/  direct  240+ twin directories
[DIR]SWIFT/  direct  220+ twin directories
[DIR]Teamspeak/  direct  330+ twin directories
[DIR]Tuxedo/  direct  210+ twin directories
[DIR]UkrMoney/  direct  200+ twin directories
[DIR]Voicent/  direct  210+ twin directories
[DIR]XPanel/  direct  185 twin directories