Lua Showcase

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

Wireshark Adobe Photoshop Lightroom LuaTeX Celestia
Wireshark, a popular network protocol analyzer, is scriptable with Lua. Adobe Photoshop Lightroom is mostly written in Lua. Lightroom also supports Lua plug-ins. LuaTeX, the engine behind most modern installations of TeX, uses Lua as its embedded scripting language. Celestia is a real-time 3D visualization of space that can be scripted with Lua.
Nmap GitHub Roblox Grim Fandango
Nmap, a popular tool for network discovery and security auditing, is scriptable with Lua. GitHub uses Lua scripts in the infrastructure of GitHub Pages, its static site hosting service. Roblox is an online game platform and game creation system that hosts user-created games of multiple genres coded in 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)