Unless specified otherwise in the "exceptions section" below:

Copyright (C) 1997-2003 Sistina Software, Inc.  All rights reserved.
Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.

Exceptions:

cman/qdisk/crc32.c:
 Copyright (C) 2000 Bryan Call <bc at fodder.org>
 Modified by Lon H. Hohberger <lhh at redhat.com>
 Copyright (C) 2003-2008 Red Hat, Inc.  All rights reserved.

cman/qdisk/daemon_init.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 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) 2002-2008 Red Hat, Inc.  All rights reserved.

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

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

fence/agents/apc_snmp/powernet369.mib:
 Copyright (c) 2005 American Power Conversion, Inc.
 PowerNet is a Trademark of American Power Conversion Corp.

fence/agents/ifmib/fence_ifmib.py:
 Copyright (C) 2008 Ross Vandegrift.
 Written by Ross Vandegrift <ross at kallisti.us>

fence/agents/ipmilan/expect.{c,h}:
 Copyright (C) 2000 Alan Robertson <alanr at unix.sh>

fence/agents/vmware/fence_vmware.pl:
 Author: Zach Lowry <zach at zachlowry.net>

fence/agents/xvm/tcp.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <jmoyer at redhat.com>

fence/man/fence_ifmib.8:
 Copyright (C) 2008 Ross Vandegrift.
 Written by Ross Vandegrift <ross at kallisti.us>

gfs/man/gfs_mount.8:
 Portions copyright (C) 2001-2003 The OpenGFS Project
 Portions copyright (C) 2004 <ben.m.cahill at intel.com>
 Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.

gfs2/man/gfs2_mount.8:
 Portions copyright (C) 2001-2003 The OpenGFS2 Project
 Portions copyright (C) 2004 <ben.m.cahill at intel.com>
 Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.

gfs-kernel/src/gfs/fixed_div64.h:
 Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  Mountain View, CA  94043, or:
  http://www.sgi.com
  For further information regarding this notice, see:
  http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.

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) 2002-2008 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) 2002-2008 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) 2002-2008 Red Hat, Inc.  All rights reserved.
 Author: Jeff Moyer <moyer at missioncriticallinux.com>

rgmanager/src/clulib/tmgr.c:
 Copyright (C) 2006-2007 Crosswalk.
 Copyright (C) 2007-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/clulib/wrap_lock.c:
 Copyright (C) 2006-2007 Crosswalk.
 Copyright (C) 2007-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/daemons/groups.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/daemons/main.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/utils/cluarp.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/utils/clubufflush.c:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 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) 2002-2008 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) 2002-2008 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) 2004-2008 Red Hat, Inc.  All rights reserved.
 
rgmanager/src/resources/ASEHAagent.sh:
 Sybase Availability Agent for Red Hat Cluster v15.0.2
 Copyright (C) - 2007
 Sybase, Inc. All rights reserved.

 Sybase Availability Agent for Red Hat Cluster v15.0.2 is licensed
 under the GNU General Public License Version 2.

 Author(s):
  Jian-ping Hui <jphui at sybase.com>

rgmanager/src/resources/clusterfs.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/resources/fs.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/resources/ip.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/resources/netfs.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/resources/netexport.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.

rgmanager/src/resources/ocf-shellfuncs:
 Copyright (C) 2004 SUSE LINUX AG, Lars Marowsky-Bree. All Rights Reserved.

rgmanager/src/resources/oracledb.sh:
 Licence: Open Software License version 2.1 available here:
 http://opensource.org/licenses/osl-2.1.php
 Author(s):
  Hardy Merrill <hmerrill at redhat.com>
  Lon Hohberger <lhh at redhat.com>
  Michael Moon <Michael dot Moon at oracle.com>

rgmanager/src/resources/SAPDatabase:
 Author: Alexander Krauth
 Copyright (C) 2006 Alexander Krauth

rgmanager/src/resources/SAPInstance:
 Author: Alexander Krauth
 Copyright (C) 2006 Alexander Krauth

rgmanager/src/resources/smb.sh:
 Copyright (C) 2000 Mission Critical Linux
 Copyright (C) 2002-2008 Red Hat, Inc.  All rights reserved.
 Author(s):
  Lon Hohberger (lhh at redhat.com)
  Tim Burke (tburke at redhat.com)

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>