Nexalign uses code to build suffix arrays developed by Lucent Technologies:

The contents herein includes software initially developed by
Lucent Technologies Inc. and others, and is subject to the terms
of the Lucent Technologies Inc. Plan 9 Open Source License
Agreement.  A copy of the Plan 9 Open Source License Agreement is
available at: http://plan9.bell-labs.com/plan9dist/download.html
or by contacting Lucent Technologies at http: //www.lucent.com.
All software distributed under such Agreement is distributed on,
obligations and limitations under such Agreement.  Portions of
the software developed by Lucent Technologies Inc. and others are
Copyright (c) 2002.  All rights reserved.
