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Pineapple Pictures vs Loupe: catalog facts
Pineapple Pictures	Loupe
Free Free and open source under the MIT licence.	Free Free, developed as part of the GNOME project and supported by donations.
Windows, macOS, Linux	Linux
Lightweight and quick to open Reads PSD and KRA files as well as common formats	Fits naturally into the GNOME desktop Shows image metadata alongside the picture
A viewer only, with no library management or editing	Linux only Editing is limited to basic transforms
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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