This is the list of people who have contributed to unionfs-fuse:

Maxim Konushikhin <konush@itep.ru>
R. Ramkumar <andyetitmoves@gmail.com>
John Cobb <j.c.cobb@qmul.ac.uk>
Bernd Schubert <bernd-schubert@gmx.de>
Samuel Gelineau <gelisam@gmail.com>
Mattias Wadman <mattias.wadman@gmail.com>
Lucas C. Villa Real <lucasvr@gobolinux.org>
Frank Vanderhallen <frank.vanderhallen@gmail.com>
Jason Cassell (a.k.a. BlueSloth) <bluesloth600@gmail.com>
Raphael Geissert <atomo64@gmail.com>
Jason Long <jlong@messiah.edu>
Yann E. Morin <yann.morin.1998@anciens.enib.fr>
Alexander Kolesen <kolesen.a@gmail.com>
Pierre Jean Schweitzer <pierre.jean.schweitzer@cern.ch>
Sebastian Pipping <sebastian@pipping.org>
Nicolas Dely <nanouck@gmail.com>
Julian Andres Klode <jak@debian.org>
Mike Kazantsev <mk.fraggod@gmail.com>
B Howe <bhowe@wetafx.co.nz>
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Likai Liu <liulk@likai.org>

Hashtable routines taken from:
Christopher Clark <christopher.clark@cl.cam.ac.uk>
Copyright (c) 2002, 2004, Christopher Clark
http://www.cl.cam.ac.uk/~cwc22/hashtable/

Hash algorithm taken from Arash Partow
(http://www.partow.net/programming/hashfunctions/index.html)
but rewritten from scratch due to incompatible license.

COW routines taken from:
OpenBSD
Copyright (c) 1991, 1993, 1994
The Regents of the University of California.  All rights reserved.