The text of the license under which VeraCrypt is distributed is contained in the file License.txt that is included in the VeraCrypt binary and source code distribution packages.
More information on the license can be found here.
This software as a whole:
Copyright © 2013-2019 IDRIX. All rights reserved.
Portions of this software:
Copyright © 2013-2019 IDRIX. All rights reserved.
Copyright © 2003-2012 TrueCrypt Developers Association. All rights reserved.
Copyright © 1998-2000 Paul Le Roux. All rights reserved.
Copyright © 1998-2008 Brian Gladman, Worcester, UK. All rights reserved.
Copyright © 1995-2017 Jean-loup Gailly and Mark Adler.
Copyright © 2016 Disk Cryptography Services for EFI (DCS), Alex Kolotnikov
Copyright © 1999-2017 Dieter Baron and Thomas Klausner.
Copyright © 2013, Alexey Degtyarev. All rights reserved.
Copyright © 1999-2016 Jack Lloyd. All rights reserved.
Copyright © 2013-2018 Stephan Mueller <smueller@chronox.de>
Any trademarks mentioned in this document are the sole property of their respective owners.