The Dr.Explain reuses the following third party free components that require disclosure:
Anti-Grain Geometry - Version 2.4
Copyright (C) 2002-2004 Maxim Shemanarev (McSeem)
Permission to copy, use, modify, sell and distribute this software is granted provided this copyright notice appears in all copies.
This software is provided "as is" without express or implied warranty, and with no claim as to its suitability for any purpose.
Compilation Copyright (c) 1995-2006 by Wei Dai. All rights reserved.
Permission to use, copy, modify, and distribute this compilation for any purpose, including commercial applications, is hereby granted without fee, subject to the following restrictions: