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Uguu vs PictShare: catalog facts
Uguu	PictShare
Free Free and open source under the GPL-3.0 licence.	Free Free and open source; you host it yourself.
Web, Self-hosted	Web, Self-hosted
Uploads without registration API with several response formats, works with ShareX	Resize and filter images through URL parameters Simple JSON upload API usable from curl
Basic feature set with no user accounts or folders Needs a PHP web server to self-host	Version 3 breaks URL and API compatibility with older versions Public instance does not currently accept uploads
Web application, Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: Apache-2.0
No account 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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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