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Xviewer vs LXImage-Qt: catalog facts
Xviewer	LXImage-Qt
Free Free and open source.	Free Free and open source.
Linux	Linux
Handles large images with constant memory use Ships by default in Linux Mint	Lightweight and fast Exif panel and thumbnail bar
Linux only Viewing only, no real editing features	Linux only Basic editing compared with a full image editor
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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