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KRunner vs Walker: catalog facts
KRunner	Walker
Free Free and open source as part of KDE Plasma.	Free Free to download and build from the public repository.
Linux	Linux
Built into Plasma, with no extra install on most setups Extended by plugins called runners	Launches apps, runs commands and calculates from one prompt Native GTK4 interface
Tied to the KDE Plasma desktop Some runners need an extra addons package	Linux only Many options to configure before it fits your setup
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
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.