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Leader Key vs Thor: catalog facts
Leader Key	Thor
Free Free to download from its GitHub repository.	Free Free and open source, also available from the Mac App Store.
macOS	macOS
Fast access to apps through short memorised key sequences Nested groups keep many shortcuts organised under shared prefixes	One shortcut per app for instant switching Available from the Mac App Store
macOS only Sequences have to be set up and memorised before it pays off	Only launches and switches apps; no search or actions macOS only
Downloadable app	Downloadable app
Closed 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 October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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