fCraft is open-source and provided free of charge. fCraft code and binaries
are licensed and distributed under the BSD 3-Clause License:

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Copyright (c) 2009-2013, Matvei Stefarov <me@matvei.org>
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1.  Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
2.  Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.
3.  Neither the name of fCraft nor the names of its contributors may be used
    to endorse or promote products derived from this software without specific
    prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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If you create fCraft plugins that do not include any substantial portions of
fCraft's original code, they belong to you and you are free to do absolutely
anything with them. However, if you would like to distribute whole modified
copies of fCraft, please follow the BSD-3 License terms.

Original Minecraft was developed by Markus "Notch" Persson of Mojang, and is 
not affiliated with fCraft in any way. fCraft does not use any code, assets,
or any other files from Minecraft.

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fCraft includes code used with permission or under license from:
    Dudecon (Forester), Osici (Omen), Paul Bourke (spline interpolation),
    Mirco Bauer (SmartIrc4net), Chris Wilson (ParseCsvRow), vLK (MinerCPP), 
    Tim Van Wassenhove (SortableBindingList), Rene Schulte (PerlinNoise3D),
    Federico Di Gregorio (Mono.Options).

fCraft includes code contributed by:
    M1_Abrams (/Torus), Jared "LgZ-optical" Klopper (Opticraft map support),
    Conrad "Redshift" Morgan (/Line, /Triangle, Vector3I, Vector3F),
    and Tyler "TkTech" Kennedy (MCSharp and MinerCPP map support).

Appropriate copyright, patent, trademark, and attribution notes can be
found in fCraft's source code.