Lua Showcase

Lua is used in many products and projects around the world. Here are some highlights. A different selection is shown every day.

World of Warcraft Grim Fandango Adobe Photoshop Lightroom Volvo
Players of World of Warcraft use Lua to customize the game interface. "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) Adobe Photoshop Lightroom is mostly written in Lua. Lightroom also supports Lua plug-ins. Volvo cars like the V40 Cross Country embed Lua in their combined instrument panel.
Roblox Wikipedia Nmap LÖVE
Roblox is an online game platform and game creation system that hosts user-created games of multiple genres coded in Lua. Wikipedia uses Lua as its template scripting language. Read the announcement. Nmap, a popular tool for network discovery and security auditing, is scriptable with Lua. LÖVE is a free framework for making 2D games in Lua.