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Keysmith vs Hammerspoon: catalog facts
Keysmith	Hammerspoon
Freemium Free version with all features is limited to five macros; a purchase removes the limit.	Free Free and open source under the MIT licence.
macOS, Browser extension	macOS
Builds macros by recording instead of scripting App- and website-specific hotkeys	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
Free version limited to five macros macOS only, requires Catalina or later	Does nothing until you write a config file, so there is no point installing it casually macOS only
Downloadable app, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: MIT
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 21, 2026

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