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ksnip vs LXImage-Qt: catalog facts
ksnip	LXImage-Qt
Free Free and open source under the GPL 3.0.	Free Free and open source.
Windows, macOS, Linux	Linux
Works on Wayland as well as X11 Numbered markers, blur and pixelate for writing instructions safely	Lightweight and fast Exif panel and thumbnail bar
The author has asked for a co-maintainer, so the future is uncertain Releases are slow; 1.10.1 on GitHub dates from March 2023	Linux only Basic editing compared with a full image editor
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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