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Full facial recognition depends on an Azure Face Services account Needs a server to run	Official iOS app is no longer maintained Requires running your own server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