Hammerspoon

Hammerspoon is a powerful, open-source automation and productivity tool for macOS that exposes native macOS APIs to the Lua scripting language. It lets users write small Lua scripts to control windows, manage applications, bind hotkeys, react to system events, and extend macOS behavior in highly customizable ways.

Designed for power users, sysadmins, and developers, Hammerspoon is modular and extensible via community-contributed modules. It is primarily used to automate repetitive tasks, create...