Various commercial products for OpenBSD are available from the following companies.

• Open Sound System
  (i386 only)
  A substantially spiffed-up commercial version of the Audio Hardware device drivers is available from http://www.opensound.com/. These replacement drivers are compatible with the audio drivers OpenBSD ships with, but they support many addition cards and features of the cards.

• RTMX
  RTMX sells a version of OpenBSD which has a full compliment of POSIX realtime features added to it.