Five is distributed under the provisions of the Zope Public License
(ZPL) v2.1.  See doc/ZopePublicLicense.txt for the license text.

Copyright (C) 2005 Five Contributors. See CREDITS.txt for a list of
Five contributors.

Five contains source code derived from:

- Zope 3, copyright (C) 2001-2005 by Zope Corporation.

- metaclass.py is derived from PEAK, copyright (C) 1996-2004 by
  Phillip J. Eby and Tyler C. Sarna. PEAK may be used under the same
  terms as Zope.

- TrustedExecutables. Dieter Mauer kindly allow licensing this under the
  ZPL 2.1.
