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Leader Key vs SpaceLauncher: catalog facts
Leader Key	SpaceLauncher
Free Free to download from its GitHub repository.	Paid A paid licence is sold on the website.
macOS	macOS
Fast access to apps through short memorised key sequences Nested groups keep many shortcuts organised under shared prefixes	Shortcuts on the Space key without losing normal typing Handles fast typing timing carefully
macOS only Sequences have to be set up and memorised before it pays off	macOS only Holding Space alone no longer repeats spaces
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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 October 2, 2026

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