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PiGallery2 vs SPIS: catalog facts
PiGallery2	SPIS
Free Free to download and run.	Free Free and open source under the GPL-3.0 licence.
Web, Self-hosted	Web, Self-hosted
Follows your existing folder layout Runs well on a Raspberry Pi	No separate database or extra services to set up Light enough to run on a Raspberry Pi
Gallery rather than a full photo backup solution Needs a server to run	Displays existing files rather than providing phone backup or uploads Deliberately minimal, without face recognition or albums
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 October 2, 2026

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