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Pineapple Pictures vs FlowVision: catalog facts
Pineapple Pictures	FlowVision
Free Free and open source under the MIT licence.	Free Free and open source.
Windows, macOS, Linux	macOS
Lightweight and quick to open Reads PSD and KRA files as well as common formats	Waterfall layout that preserves image proportions Browses both images and videos
A viewer only, with no library management or editing	macOS only A browser and viewer, not an editor
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	Not stated if an account is needed
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 October 1, 2026

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