InterWorks, formerly the Apollo Domain User's Society (ADUS), was
originally formed to provide a users group specifically for HP
workstation users. Over the course of the past few years the
organization has been merged into Interex (see question 22.214.171.124 for
more about Interex).
Despite InterWorks having been absorbed into Interex, the InterWorks
anonymous FTP site _is_ still up and running:
See Item 4.13 for a more detailed description of this site's content.