COPYING.txt

Syntensity/the Intensity Engine is licensed under the MIT/X11 license:

==============================================================================
Copyright (c) 2010 the Syntensity Contributors (see below)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
==============================================================================

The Syntensity Contributors, who all agree to release their code under
the above license, are:

  * Alon 'kripken' Zakai - kripken@syntensity.com


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The codebase also contains code originating from Cube 2/Sauerbraten, see
their license under src/readme_source.txt, and other open source projects
may be bundled under thirdparty directories, with included license info.

  * In addition, code has been ported from SauerEnhanced, whose license
    is zlib (like Sauerbraten). Such code is demarked with // SAUER ENHANCED
    Thanks to Q009 (SauerEnhanced author).