Lua is used in many products and projects around the world. Here are some highlights. A different selection is shown every day.
Players of World of Warcraft use Lua to customize the game interface. | Hammerspoon is a tool for powerful automation of macOS using Lua scripting. | "Grim Fandango was the first game that shows Lua could not only be used to make a good game, but that it could be used to make some of the best games ever." (cited here; see also this) | Celestia is a real-time 3D visualization of space that can be scripted with Lua. |
LÖVE is a free framework for making 2D games in Lua. | The widely used VLC media player is scriptable in Lua. | LuaTeX, the engine behind most modern installations of TeX, uses Lua as its embedded scripting language. | Nmap, a popular tool for network discovery and security auditing, is scriptable with Lua. |