On 2 May 1998, Tobias Brox wrote:

> If I'm not mistaken, the only alternative to HP-UX is mkLinux for
> PA-RISC. It's under development - doesn't support soundcards and a lot
> of other stuff.

There's Lites, which has been around for some time.  Of course, it's also
no secret that NetBSD/hp700 is under development, as alluded to earlier in
the thread.