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OpenStack vs Proxmox VE: catalog facts
OpenStack	Proxmox VE
Free Free and open source; commercial support is available from partners in the OpenStack…	Freemium Free to download and use under the AGPLv3. Paid subscriptions add the enterprise…
Web, Self-hosted	Linux, Self-hosted
Covers compute, storage and networking through APIs and a dashboard Regular scheduled releases	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
Many components make deployment and upgrades complex Built for data centres rather than individual machines	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
Self-hosted	Operating system, Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is 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.