Lua Showcase

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

Wikipedia Snort GitHub LuaTeX
Wikipedia uses Lua as its template scripting language. Read the announcement. Snort, a popular network intrusion prevention and detection system, is scriptable with Lua. GitHub uses Lua scripts in the infrastructure of GitHub Pages, its static site hosting service. LuaTeX, the engine behind most modern installations of TeX, uses Lua as its embedded scripting language.
Cisco Grim Fandango Blackmagic Fusion Volvo
Cisco IP Cameras can be controlled using Lua. "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) Blackmagic Fusion, a post-production image compositing software used extensively in the movie industry, uses Lua as one of its embedded scripting languages. Volvo cars like the V40 Cross Country embed Lua in their combined instrument panel.