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SmartOS vs Proxmox VE: catalog facts
SmartOS	Proxmox VE
Free The SmartOS ISO is free and open source; Triton offers paid private and hosted cloud…	Freemium Free to download and use under the AGPLv3. Paid subscriptions add the enterprise…
Self-hosted	Linux, Self-hosted
Runs zones and KVM or bhyve VMs on the same host ZFS and DTrace built in	One web interface for KVM virtual machines and LXC containers on the same host Backup, restore and high-availability clustering included rather than sold separately
Illumos base is less familiar than Linux Cloud management features require Triton on top	Dedicated hardware: it is the operating system, not an app you run on your desktop Without a subscription you use the no-subscription repository and see a reminder at each login
Operating system	Operating system, Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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