OmniOS was a up to date Illumos distribution with full system support, stables and long term stables. The problem is/was that there were not enough paying customers.
There are discussions about a continuation of the current OmniOS lts.
Beside that the main alternative is OpenIndiana, the successor of OpenSolaris. This is more or less ongoing pure Illumos with an additional GUI (Mate 1.18). It comes in a minimal, a text (similar to OmniOS) and the GUI option.
SmartOS (Joyent, owned by Samsung), another Illumos distribution comes with superiour VM capabilities as it supports Solaris zones, LX container, KVM and Docker. It runs from RAM and USB stick. Due to some limited global zones features (due the running from RAM approach) it requires some work to act as a storage appliance like save/restore users and settings. But it has the potential of beeing the next killer appliance for storage and VM.
The former main OmniTi software engineer, responsible for OmniOS is now at SmartOS
There are discussions about a continuation of the current OmniOS lts.
Beside that the main alternative is OpenIndiana, the successor of OpenSolaris. This is more or less ongoing pure Illumos with an additional GUI (Mate 1.18). It comes in a minimal, a text (similar to OmniOS) and the GUI option.
SmartOS (Joyent, owned by Samsung), another Illumos distribution comes with superiour VM capabilities as it supports Solaris zones, LX container, KVM and Docker. It runs from RAM and USB stick. Due to some limited global zones features (due the running from RAM approach) it requires some work to act as a storage appliance like save/restore users and settings. But it has the potential of beeing the next killer appliance for storage and VM.
The former main OmniTi software engineer, responsible for OmniOS is now at SmartOS