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Field Monitor vs virt-viewer: catalog facts
Field Monitor	virt-viewer
Free Free and open source under the GPL.	Free Free and open source under the GPL version 2 or later.
Linux	Linux
Native GNOME interface Brings VM and remote screens into one app	Supports both SPICE and VNC displays Lightweight single-purpose viewer
Linux only Young project with a small contributor base	Only a viewer, with no VM management features Mainly useful for virtual machines rather than physical desktops
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0-or-later
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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