the accompanying files under various copyrights.

copyright (c) 2012, 2013, 2014 ripple labs inc.

permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

the software is provided "as is" and the author disclaims all warranties
with regard to this software including all implied warranties of
merchantability and fitness. in no event shall the author be liable for
any special, direct, indirect, or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether in an
action of contract, negligence or other tortious action, arising out of
or in connection with the use or performance of this software.

the accompanying files incorporate work covered by the following copyright
and previous license notice:

copyright (c) 2011 arthur britto, david schwartz, jed mccaleb,
vinnie falco, bob way, eric lombrozo, nikolaos d. bougalis, howard hinnant

some code from raw material software, ltd., provided under the terms of the
  isc license. see the corresponding source files for more details.
  copyright (c) 2013 - raw material software ltd.
  please visit http://www.juce.com

some code from asio examples:
// copyright (c) 2003-2011 christopher m. kohlhoff (chris at kohlhoff dot com)
//
// distributed under the boost software license, version 1.0. (see accompanying
// file license_1_0.txt or copy at http://www.boost.org/license_1_0.txt)

some code from bitcoin:
// copyright (c) 2009-2010 satoshi nakamoto
// copyright (c) 2011 the bitcoin developers
// distributed under the mit/x11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.

some code from tom wu:
this software is covered under the following copyright:

/*
 * copyright (c) 2003-2005  tom wu
 * all rights reserved.
 *
 * 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" and without warranty of any kind, 
 * express, implied or otherwise, including without limitation, any 
 * warranty of merchantability or fitness for a particular purpose.  
 *
 * in no event shall tom wu be liable for any special, incidental,
 * indirect or consequential damages of any kind, or any damages whatsoever
 * resulting from loss of use, data or profits, whether or not advised of
 * the possibility of damage, and on any theory of liability, arising out
 * of or in connection with the use or performance of this software.
 *
 * in addition, the following condition applies:
 *
 * all redistributions must retain an intact copy of this copyright notice
 * and disclaimer.
 */

address all questions regarding this license to:

  tom wu
  tjw@cs.stanford.edu