Hammerspoon
Hammerspoon is a free, open-source chat app for macOS. Staggeringly powerful macOS desktop automation with Lua. It has 16,240 GitHub stars and is released under the MIT license. Its source code is on GitHub at Hammerspoon/hammerspoon.
About Hammerspoon
This is a tool for powerful automation of OS X. At its core, Hammerspoon is just a bridge between the operating system and a Lua scripting engine.
Install Hammerspoon
Package names found in the project's README. Each links to its package page so you can check the publisher first.
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What is Hammerspoon?
Hammerspoon is a free, open-source chat app for macOS. Staggeringly powerful macOS desktop automation with Lua. It has 16,240 GitHub stars and is released under the MIT license. Its source code is on GitHub at Hammerspoon/hammerspoon.
Is Hammerspoon free and open source?
Yes. Hammerspoon's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Hammerspoon?
Homebrew: brew install hammerspoon. The commands are on this page. Installers are also on its GitHub Releases page (latest: 1.1.1).
Is Hammerspoon still maintained?
The repository's most recent commit was on Jul 8, 2026. appsgit only lists apps whose repository had a commit in the last six months.