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Diodon vs Serigy: catalog facts
Diodon	Serigy
Free Free and open source.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Available in the Debian and Ubuntu repositories Lightweight GTK application	Automatic background clipboard capture Pinned favourites that are not overwritten
In low maintenance mode with no new features planned Built around the Unity desktop	Only 6 to 12 slots by design Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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