The File Information Tool Set (FITS) identifies, validates, and extracts technical metadata for various file formats. It wraps several third-party open source tools, normalizes and consolidates their output, and reports any errors. jhove, droid, etc. The current tools used are: * Jhove (LGPL version 2.1 or any later version) * Exiftool (GPL version 1 or any later version; or the artistic license) * National Library of New Zealand Metadata Extractor (Apache Public License version 2) * DROID (BSD version 3.0) * FFIdent (LGPL) o Note that the live site for ffident (http://schmidt.devlib.org/ffident/index.html) seems to have disappeared - we are now linking to Internet Archive's version of the ffident website. * File Utility (windows) (revised BSD)