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Hammerspoon vs Keyboard Maestro: catalog facts
Hammerspoon	Keyboard Maestro
Free Free and open source under the MIT licence.	Paid One-time paid license from Stairways Software.
macOS	macOS
Extensions reach a large part of macOS: windows, spaces, hotkeys, wifi, battery, USB, menu bar and more Lua is small enough to learn in an afternoon	Visual editor makes complex conditional automations approachable without coding Deep macOS integration for triggering macros from almost any event
Does nothing until you write a config file, so there is no point installing it casually macOS only	macOS only One-time paid license
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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