<p dir="ltr">List of Illumos distros at Illumos.org</p>
<p dir="ltr">I remember Tribblix has Enlightenment GUI available.</p>
<p dir="ltr">Build your own distro. Others have, and do.</p>
<p dir="ltr">You can start with OI and add your preferred package manager. You don't have to use IPS for everything.</p>
<p dir="ltr">Some people use OI for a server without a GUI. More likely people use OI with Mate GUI to avoid Windows or Linux.</p>