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KRunner vs Kupfer: catalog facts
KRunner	Kupfer
Free Free and open source as part of KDE Plasma.	Free Free and open source under the GNU GPL.
Linux	Linux
Built into Plasma, with no extra install on most setups Extended by plugins called runners	Object-and-action workflow like Quicksilver Extensible through plugins
Tied to the KDE Plasma desktop Some runners need an extra addons package	Linux only Slower development pace than newer launchers
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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