How to Find Commercial Software
From TechPubs Wiki
Software for IRIX can be acquired a number of ways:
Requesting Software
IRIXNet's policies allow users to request software in the Commercial Software Request Megathread where users can share such things over private messaging.
Purchasing Software
IRIXNet and SGUG both have forums for selling software. Additionally, eBay and other places are sources for this.
Dealing with the Licenses
Two forms of licensing for IRIX were common: Flexlm and dongles. Dealing with the former is just a matter of getting a valid license and placing it into the license.dat. Dealing with the latter necessitates using cracks to patch the executable.