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Proxmox VE vs SmartOS: catalog facts
Proxmox VE	SmartOS
Freemium Free to download and use under the AGPLv3. Paid subscriptions add the enterprise…	Free The SmartOS ISO is free and open source; Triton offers paid private and hosted cloud…
Linux, Self-hosted	Self-hosted
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	Runs zones and KVM or bhyve VMs on the same host ZFS and DTrace built in
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	Illumos base is less familiar than Linux Cloud management features require Triton on top
Operating system, Self-hosted	Operating system
Open source	Open source
License: AGPL-3.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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