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Loupe vs Eye of MATE: catalog facts
Loupe	Eye of MATE
Free Free, developed as part of the GNOME project and supported by donations.	Free Free and open source as part of the MATE desktop.
Linux	Linux
Fits naturally into the GNOME desktop Shows image metadata alongside the picture	Lightweight and quick to open images Plugin support for extra features
Linux only Editing is limited to basic transforms	Linux only Viewer only, with no library management or real editing
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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