|Before Lua 5.0, Lua used its own license, now it is distributed under the terms of the MIT license.
Copyright © 1994-2000 TeCGraf, PUC-Rio. All rights reserved. Permission is hereby granted, without written agreement and without license or royalty fees, to use, copy, modify, translate, and distribute this software and its documentation (hereby called the "package") for any purpose, including commercial applications, subject to the following conditions: The above copyright notice and this permission notice shall appear in all copies or substantial portions of this package. The origin of this package must not be misrepresented; you must not claim that you wrote the original package. If you use this package in a product, an acknowledgment in the product documentation would be greatly appreciated (but it is not required). Altered source versions must be plainly marked as such, and must not be misrepresented as being the original package. The authors specifically disclaim any warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The package provided hereunder is on an "as is" basis, and the authors have no obligation to provide maintenance, support, updates, enhancements, or modifications. In no event shall TeCGraf, PUC-Rio, or the authors be held liable to any party for direct, indirect, special, incidental, or consequential damages arising out of the use of this package and its documentation. The Lua language and this implementation have been entirely designed and written by Waldemar Celes, Roberto Ierusalimschy and Luiz Henrique de Figueiredo at TeCGraf, PUC-Rio in Brazil. This implementation contains no third-party code.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.
The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.