This is a Debian prepackaged version of snowdrop.

This package was put together by Joey Hess <joeyh@debian.org>, using
sources from:
	http://lcamtuf.coredump.cx/

The following copyright applies to this package:

   Copyright (C) 2002 by Michal Zalewski <lcamtuf@coredump.cx>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   As a special exception, this program may be linked with the
   OpenSSL library, despite that library's more restrictive license.

On Debian systems, the complete text of the GPL is in the file
/usr/share/common-licenses/GPL