Teeworlds Copyright (C) 2007-2014 Magnus Auvinen
DDRace    Copyright (C) 2010-2011 Shereef Marzouk
DDNet     Copyright (C) 2013-2021 Dennis Felsing

This software is provided 'as-is', without any express or implied
warranty.  In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
  claim that you wrote the original software. If you use this software
  in a product, an acknowledgment in the product documentation would be
  appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
  misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

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All content under 'data' except the assets, font, language & skin files,
(which have their own licenses) are released under
CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/).
Apache 2.0 for the 'Icon.tff' file:
Copyright Google

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

The other fonts are released under CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/).

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IMPORTANT NOTE! The source under src/engine/external are stripped
libraries with their own licenses. Mostly BSD or zlib/libpng license but
check the individual libraries.

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With that being said, contact us if there is anything you want to do
that the license does not permit.
