Portions of RubyMotion include third-party opensource software. MacRuby: https://github.com/MacRuby/MacRuby/blob/master/COPYING MacRuby is copyrighted free software by the MacRuby Team. MacRuby contains code from the Ruby project, copyrighted free software by Yukihiro Matsumoto . Copyright (C) 2012, The MacRuby Team. All rights reserved. Copyright (C) 2010-2011, Apple Inc. All rights reserved. LLVM: http://llvm.org/releases/3.3/LICENSE.TXT Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign. All rights reserved. libdwarf (part of elftoolchain): http://sourceforge.net/p/elftoolchain/code/HEAD/tree/trunk/README Copyright (c) 2009 Kai Wang All rights reserved.