Lua is a powerful, light-weight programming language designed for extending applications. Lua is also frequently used as a general-purpose, stand-alone language. Lua is free software.
For complete information, visit Lua's web site at www.lua.org . For an executive summary, see www.lua.org/about.html.
Lua has been used in many different projects around the world. For a short list, see www.lua.org/uses.html.