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Flickr vs Piwigo: catalog facts
Flickr	Piwigo
Freemium Free to join; Flickr Pro adds unlimited storage and removes ads.	Freemium Self-hosted Piwigo is free; Piwigo Cloud is a paid service with a free trial.
Web	Web, Self-hosted
Large photography community Unlimited storage with Pro	Same open-source core for self-hosted and cloud versions Plugin system and API
Free accounts show ads and have limits Hosted service with no self-hosting option	Self-hosting requires your own web server Paid support is separate from the free version
Web application, Hosted service	Self-hosted, Hosted service
Closed source	Open source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	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.