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Vicinae vs Kupfer: catalog facts
Vicinae	Kupfer
Free Free to download and build from the public repository.	Free Free and open source under the GNU GPL.
Linux	Linux
Brings a Raycast-style workflow to Linux Native application focused on speed	Object-and-action workflow like Quicksilver Extensible through plugins
Linux only Newer project that is still changing quickly	Linux only Slower development pace than newer launchers
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
No account needed	No account needed
Not stated if it works offline	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.