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Ulauncher vs KRunner: catalog facts
Ulauncher	KRunner
Free Free and open source, with optional donations supporting development.	Free Free and open source as part of KDE Plasma.
Linux	Linux
Large extension ecosystem for adding custom functionality Fast, minimal interface focused on keyboard use	Built into Plasma, with no extra install on most setups Extended by plugins called runners
Linux only, no macOS or Windows build Extension quality varies since they are community-maintained	Tied to the KDE Plasma desktop Some runners need an extra addons package
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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