Tribblix is an operating system created by Peter Tribble. Derived from
OpenSolaris, OpenIndiana, and
illumos, it blends a retro style
with modern components.
NEWS: February 11th 2017: Milestone 19 released, with many
updated release initially available for x86. (Release Notes.)
Update: April 20th 2016: Milestone 16 available for SPARC. (Release Notes.)
While the SPARC version is still pretty experimental, the x86
version is pretty solid. You
can download the
image, install to a hard drive,
and use it.