Lua is used in many products and projects around the world. Here are some highlights. A different selection is shown every day.
Adobe Photoshop Lightroom is mostly written in Lua. Lightroom also supports Lua plug-ins. | Neovim is a popular hyperextensible Vim-based text editor that supports Lua plugins. | Snort, a popular network intrusion prevention and detection system, is scriptable with 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) |
Defold is a free engine for professional 2D game development, used at King games and by over 40,000 developers worldwide. All game logic is scripted in Lua. | The widely used VLC media player is scriptable in Lua. | 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. |