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Virtual Machine Manager vs WebVirtCloud: catalog facts
Virtual Machine Manager	WebVirtCloud
Free Free and open source under the GPL 2.0, maintained by Red Hat.	Free Free to download and run on your own servers.
Linux	Linux, Web, Self-hosted
The standard interface for KVM, so guides and answers are everywhere Command line tools for creating and editing machines without a desktop	Manages several KVM hosts from one web panel Covers instances, storage, networks and network filters
Linux only The interface is functional and has barely changed in years	Requires your own KVM and libvirt hosts Setup assumes Linux server administration experience
Downloadable app	Self-hosted
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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