Much of OGDI is implicitly or explicitly under the following 
two licenses (year varies a bit):

  Copyright (C) 1995 Logiciels et Applications Scientifiques (L.A.S.) Inc
  Permission to use, copy, modify and distribute this software and
  its documentation for any purpose and without fee is hereby granted,
  provided that the above copyright notice appear in all copies, that
  both the copyright notice and this permission notice appear in
  supporting documentation, and that the name of L.A.S. Inc not be used 
  in advertising or publicity pertaining to distribution of the software 
  without specific, written prior permission. L.A.S. Inc. makes no
  representations about the suitability of this software for any purpose.
  It is provided "as is" without express or implied warranty.

or

  Copyright (C) 1997 Her Majesty the Queen in Right of Canada.
  Permission to use, copy, modify and distribute this software and
  its documentation for any purpose and without fee is hereby granted,
  provided that the above copyright notice appear in all copies, that
  both the copyright notice and this permission notice appear in
  supporting documentation, and that the name of Her Majesty the Queen
  in Right  of Canada not be used in advertising or publicity pertaining
  to distribution of the software without specific, written prior
  permission.  Her Majesty the Queen in Right of Canada makes no
  representations about the suitability of this software for any purpose.
  It is provided "as is" without express or implied warranty.

New files written by 3i are under this copyright:

  Copyright (C) 2001 Information Interoperability Institute (3i)
  Permission to use, copy, modify and distribute this software and
  its documentation for any purpose and without fee is hereby granted,
  provided that the above copyright notice appear in all copies, that
  both the copyright notice and this permission notice appear in
  supporting documentation, and that the name of 3i not be used 
  in advertising or publicity pertaining to distribution of the software 
  without specific, written prior permission.  3i makes no
  representations about the suitability of this software for any purpose.
  It is provided "as is" without express or implied warranty.


===============================================================================

ogdi/c-api/ecshash.c is:

 * Copyright (c) 1991-1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

===============================================================================

ogdi/c-api/ecsregex.c is:

 *	Copyright (c) 1986 by University of Toronto.
 *	Written by Henry Spencer.  Not derived from licensed software.
 *
 *	Permission is granted to anyone to use this software for any
 *	purpose on any computer system, and to redistribute it freely,
 *	subject to the following restrictions:
 *
 *	1. The author is not responsible for the consequences of use of
 *		this software, no matter how awful, even if they arise
 *		from defects in it.
 *
 *	2. The origin of this software must not be misrepresented, either
 *		by explicit claim or by omission.
 *
 *	3. Altered versions must be plainly marked as such, and must not
 *		be misrepresented as being the original software.

===============================================================================

ogdi/c-api/gmath.c is:
   Derived from Numerical methods in C


===============================================================================

ogdi/c-api/opendir.c/h is:
 * @(#)dir.c 1.4 87/11/06 Public Domain. 
 * 
 *  A public domain implementation of BSD directory routines for 
 *  MS-DOS.  Written by Michael Rendell ({uunet,utai}michael@garfield), 

===============================================================================

include/win32/unistd.h:
 * Copyright (c) 1994 Software Research Associates, Inc.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Software Research Associates not be
 * used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.  Software Research
 * Associates makes no representations about the suitability of this software
 * for any purpose.  It is provided "as is" without express or implied
 * warranty.

===============================================================================

include/win32/rpc/auth.h (and others):
/*********************************************************************
 * RPC for the Windows NT Operating System
 * 1993 by Martin F. Gergeleit
 * Users may use, copy or modify Sun RPC for the Windows NT Operating 
 * System according to the Sun copyright below.
 *
 * RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO 
 * WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE 
 * USE OF. USE ENTIRELY AT YOUR OWN RISK!!!
 *********************************************************************/

/* @(#)auth.h	2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */
/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 * 
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 * 
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 * 
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 * 
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 * 
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043

===============================================================================

proj/*: 

Public Domain.

===============================================================================

vpflib/*:

No license mentioned, public domain?

===============================================================================

external/rpc_win32/*/*: 

/*********************************************************************
 * RPC for the Windows NT Operating System
 * 1993 by Martin F. Gergeleit
 * Users may use, copy or modify Sun RPC for the Windows NT Operating 
 * System according to the Sun copyright below.
 *
 * RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO 
 * WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE 
 * USE OF. USE ENTIRELY AT YOUR OWN RISK!!!
 *********************************************************************/

/* @(#)svc.c	2.4 88/08/11 4.0 RPCSRC; from 1.44 88/02/08 SMI */
/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 * 
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 * 
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 * 
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 * 
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 * 
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */

===============================================================================

external/zlib/*:

  Copyright (C) 1995-1996 Jean-loup Gailly and Mark Adler

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

  Jean-loup Gailly        Mark Adler
  gzip@prep.ai.mit.edu    madler@alumni.caltech.edu