Lua is free software distributed under the terms of theMIT licensereproduced here.Lua may be used for any purpose, including commercial purposes,at absolutely no cost.No paperwork,no royalties,no GNU-like "copyleft" restrictions,either.Justdownloadit and use it.

Lua is certifiedOpen Sourcesoftware.Its license is simple and liberal and iscompatible with GPL.Lua is not in the public domain andPUC-Riokeeps its copyright.

The spirit of the Lua license is thatyou are free to use Lua for any purpose at no cost without having to ask us.The only requirement is thatif you do use Lua,then you should give us credit by including the copyright noticesomewhere in your product or its documentation.A nice, but optional, way to give us further credit is to include aLua logoand alink to our sitein a web page for your product.

The Lua language is entirely designed, implemented, and maintainedby ateamatPUC-Rioin Brazil.The implementation is not derived from licensed software.

Before Lua 5.0,Lua used its own license, which was very close to thezlib licenseand others,but not quite the same.Check thesource distributionfor the exact license textfor each version before Lua 5.0.Nevertheless,if you wish to use those old versions,you may hereby assume thatthey have all been re-licensed under the MIT licenseas described above.