Although licensed under a CC license and offering a very limited set of hash modes (namely SHA-1, MD5 and CRC32), IgorWare Hasher is noteworthy by extremely well implemented command line parameters, which make it a prime option for scripting and automation.
IgorWare Hasher is a free SHA-1, MD5 and CRC32 hash generator for Windows, both 64bit and 32bit versions are available.
Download IgorWare Hasher v1.7.0, dated 2015-06-21, from http://www.igorware.com/hasher/download.