Second Life Viewer Copyright: 2000-2012 Linden Research, Inc.

License:

3Dconnexion SDK Copyright (C) 1992-2009 3Dconnexion
APR Copyright (C) 2011 The Apache Software Foundation
Collada DOM Copyright 2006 Sony Computer Entertainment Inc.
cURL Copyright (C) 1996-2010, Daniel Stenberg, (daniel@haxx.se)
DBus/dbus-glib Copyright (C) 2002, 2003  CodeFactory AB / Copyright (C) 2003, 2004 Red Hat, Inc.
expat Copyright (C) 1998, 1999, 2000 Thai Open Source Software Center Ltd.
FreeType Copyright (C) 1996-2002, 2006 David Turner, Robert Wilhelm, and Werner Lemberg.
GL Copyright (C) 1999-2004 Brian Paul.
google-perftools Copyright (c) 2005, Google Inc.
Havok.com(TM) Copyright (C) 1999-2001, Telekinesys Research Limited.
jpeg2000 Copyright (C) 2001, David Taubman, The University of New South Wales (UNSW)
jpeglib Copyright (C) 1991-1998, Thomas G. Lane.
meshoptimizer Copyright (c) 2016-2021 Arseny Kapoulkine
ogg/vorbis Copyright (C) 2002, Xiphophorus
OpenSSL Copyright (C) 1998-2008 The OpenSSL Project.
PCRE Copyright (c) 1997-2012 University of Cambridge
SDL Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
SSLeay Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
xmlrpc-epi Copyright (C) 2000 Epinions, Inc.
zlib Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler.

Second Life Viewer uses Havok (TM) Physics. (c)Copyright 1999-2010 Havok.com Inc. (and its Licensors). All Rights Reserved. See www.havok.com for details.

This software contains source code provided by NVIDIA Corporation.

All rights reserved.  See licenses.txt for details.

Voice chat Audio coding: Polycom(R) Siren14(TM) (ITU-T Rec. G.722.1 Annex C)