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Photoview vs Damselfly: catalog facts
Photoview	Damselfly
Free Free and open source.	Free Free to use; the developer accepts donations through Buy Me a Coffee.
Web, Self-hosted	Web, Self-hosted
Uses your existing folder structure as albums Multiple users with separate photo directories	Works on an existing folder-based photo collection Face, object detection and image classification built in
Official iOS app is no longer maintained Requires running your own server	Full facial recognition depends on an Azure Face Services account Needs a server to run
Self-hosted	Self-hosted
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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