Lua Showcase

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

Solar2D World of Warcraft GitHub Snort
Solar2D is a free Lua based game engine with focus on ease of iterations and usage. It is a fork of the well established and widely used Corona SDK game engine. Players of World of Warcraft use Lua to customize the game interface. GitHub uses Lua scripts in the infrastructure of GitHub Pages, its static site hosting service. Snort, a popular network intrusion prevention and detection system, is scriptable with Lua.
Hammerspoon Nmap LuaTeX Grim Fandango
Hammerspoon is a tool for powerful automation of macOS using Lua scripting. Nmap, a popular tool for network discovery and security auditing, is scriptable with Lua. LuaTeX, the engine behind most modern installations of TeX, uses Lua as its embedded scripting language. "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)