Quiz Master - $60
Quiz Master is a Microsoft Powerpoint plug-in. Quiz Master allows the user to create games and quizes using MS Powerpoint and works with various Enjoy buzzers and clickers. This software is great for classrooms, presentations, conferences, training and any other gatherings that may be interested in group interactions. With this software you can view results from voting or polling, instantly.
Enjoy Keystroke - $40
It allows to Enjoy buzzers (215\303S PRO\ 303S MINI) to work with any third party keystroke design game softwares, like Crowdcontrolgame, Gameshow presenter, Pacman, Sokoban...etc