Compare software

SmartOS vs XenServer: catalog facts
SmartOS	XenServer
Free The SmartOS ISO is free and open source; Triton offers paid private and hosted cloud…	Paid Commercial licences with a Trial Edition; included in some Citrix subscriptions.
Self-hosted	Self-hosted
Runs zones and KVM or bhyve VMs on the same host ZFS and DTrace built in	Mature Xen-based hypervisor Included with several Citrix subscriptions
Illumos base is less familiar than Linux Cloud management features require Triton on top	Commercial licensing for full use Oriented toward businesses and Citrix environments
Operating system	Operating system
Open source	Closed source
License not stated	License: Proprietary
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.