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Ulauncher vs Walker: catalog facts
Ulauncher	Walker
Free Free and open source, with optional donations supporting development.	Free Free to download and build from the public repository.
Linux	Linux
Large extension ecosystem for adding custom functionality Fast, minimal interface focused on keyboard use	Launches apps, runs commands and calculates from one prompt Native GTK4 interface
Linux only, no macOS or Windows build Extension quality varies since they are community-maintained	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
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 September 23, 2026

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