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Zenphoto vs Sigal: catalog facts
Zenphoto	Sigal
Free Free and open source, funded by donations.	Free Free and open source.
Self-hosted	Command line
Gallery-first CMS with a blog and pages Multi-user with user rights	Builds galleries from ordinary folders, processed recursively Output is static HTML with relative links, easy to host anywhere
Requires your own web hosting Publishing tool rather than a phone photo backup	Command-line only, no graphical interface Galleries must be regenerated after adding photos
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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