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Uguu vs Plik: catalog facts
Uguu	Plik
Free Free and open source under the GPL-3.0 licence.	Free Free and open source to self-host.
Web, Self-hosted	Web, Self-hosted, Command line
Uploads without registration API with several response formats, works with ShareX	Web interface plus a command-line client Temporary uploads shared by link
Basic feature set with no user accounts or folders Needs a PHP web server to self-host	You have to host and maintain the server yourself Built for temporary sharing, not long-term storage or sync
Web application, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: GPL-3.0	License not stated
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 September 24, 2026

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