Collins Zyzzyva is free software, released under the GNU General Public License. Please see COPYING and LICENSE for details. Collins Zyzzyva is written by Michael W Thelen <mthelen@gmail.com>, and updated by JG Miller <jg.millirem@gmail.com>, Winter <winterene@gmail.com>, and Anand Buddhdev <aabdnn@gmail.com>. The latest version of Collins Zyzzyva can always be found at http://www.collinsdictionary.com/scrabble/scrabble-tools If you are building Collins Zyzzyva from source code, you will need the Qt5 library, available from https://www.qt.io/download-open-source After Qt5 is installed, the following steps should be sufficient to build Collins Zyzzyva: qmake make On Mac OS X, instead of running qmake and make directly, you should run installer/create-macos.sh instead.