Unless specified otherwise in the "exceptions section" below:

Copyright (C) 1997-2003 Sistina Software, Inc.  All rights reserved.
Copyright (C) 2004-2010 Red Hat, Inc.  All rights reserved.

Exceptions:

contrib/libaislock:
 Contributed by Stanley Wang of Intel.

cman/qdisk/crc32.c:
 Copyright (C) 2000 Bryan Call <bc at fodder.org>
 Modified by Lon H. Hohberger <lhh at redhat.com>
 Copyright (C) 2003-2010 Red Hat, Inc.  All rights reserved.

cman/qdisk/daemon_init.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <jmoyer at redhat.com>

cman/qdisk/disk.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Tim Burke <tburke at redhat.com>

cman/qdisk/scandisk.{c,h}:
 Original design by: Joel Becker <Joel.Becker at oracle.com> and
 Fabio M. Di Nitto <fdinitto at redhat.com>

cman/daemon/fnvhash.c
 This code is in the public domain.
 Phong Vo (http://www.research.att.com/info/kpv/)
 Glenn Fowler (http://www.research.att.com/~gsf/)
 Landon Curt Noll (http://www.isthe.com/chongo/)

dlm/doc/example.c:
 Author: Daniel Phillips <phillips at redhat.com>

From rgmanager/AUTHORS:

Lon Hohberger           lhh at redhat.com
* Resource tree
* Failover domains
* Resource agent scripts

Gregory Myrdal          [private]
* Misc utilities
* Resource agent scripts

Jeff Moyer              jmoyer at redhat.com
* Syslog wrapper & logging program

Portions of this code (C) 2000-2001 Mission Critical Linux, Inc.

rgmanager/include/clulog.h:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <moyer at missioncriticallinux.com>

rgmanager/src/clulib/clulog.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <moyer at missioncriticallinux.com>

rgmanager/src/clulib/daemon_init.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <moyer at missioncriticallinux.com>

rgmanager/src/clulib/msgsimple.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.

rgmanager/src/clulib/tmgr.c:
 Copyright (C) 2006-2007 Crosswalk.
 Copyright (C) 2007-2010 Red Hat, Inc.  All rights reserved.

rgmanager/src/clulib/wrap_lock.c:
 Copyright (C) 2006-2007 Crosswalk.
 Copyright (C) 2007-2010 Red Hat, Inc.  All rights reserved.

rgmanager/src/daemons/groups.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.

rgmanager/src/daemons/main.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.

rgmanager/src/utils/clubufflush.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Gregory P. Myrdal <Myrdal at MissionCriticalLinux.Com>

rgmanager/src/utils/clufindhostname.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Richard Rabbat <rabbat at missioncriticallinux.com>

rgmanager/src/utils/clulog.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2010 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <moyer at missioncriticallinux.com>

rgmanager/src/utils/syscall.h
 Copyright (C) 1995-1997 Olaf Kirch <okir at monad.swb.de>
 Copyright (C) 1997-2003 Sistina Software, Inc.  All rights reserved.
 Copyright (C) 2004-2010 Red Hat, Inc.  All rights reserved.
 
Authors as known by current RCS as of the time of writing:

Abhijith Das <adas at redhat.com>
Adam Manthei <amanthei at redhat.com>
A. J. Lewis <alewis at redhat.com>
Alasdair G. Kergon <agk at redhat.com>
Andrew Price <andy at andrewprice.me.uk>
Benjamin Marzinski <bmarzins at redhat.com>
Bob Peterson <rpeterso at redhat.com>
Chris Feist <cfeist at redhat.com>
Christine Caulfield <ccaulfie at redhat.com>
Daniel Phillips <phillips at redhat.com>
David Teigland <teigland at redhat.com>
Fabio M. Di Nitto <fdinitto at redhat.com>
James Parsons <jparsons at redhat.com>
Joel Becker <joel.becker at oracle.com>
Jonathan Brassow <jbrassow at redhat.com>
jparsons <jparsons at redhat.com>
Ken Preslan <kpreslan at redhat.com>
Lon Hohberger <lhh at redhat.com>
Marc - A. Dahlhaus <mad at wol.de>
Marek 'marx' Grac <mgrac at redhat.com>
Mark Hlawatschek <hlawatschek at atix.de>
Michael Conrad Tadpol Tilstra <mtilstra at redhat.com>
Patrick Caulfield <pcaulfie at redhat.com>
Robert Peterson <rpeterso at redhat.com>
Ross Vandegrift <ross at kallisti.us>
Ryan McCabe <rmccabe at redhat.com>
Ryan O'Hara <rohara at redhat.com>
Stanko Kupcevic <kupcevic at redhat.com>
Steven Whitehouse <swhiteho at redhat.com>
Wendy Cheng <wcheng at redhat.com>