Many commercial Unix software and solutions were available for HP-UX on PA-RISC since the 1990s, for technical engineering and design.| www.openpa.net
Several research and development operating systems have been ported to PA-RISC between the late 1980s and late 1990s, many of them Mach microkernel-based.| www.openpa.net
Ports of several commercial operating systems including Windows NT and NetWare to PA-RISC had been attempted in the 1990s.| www.openpa.net