Thrive Quiz Builder is one of the best plugins for organizing quizzes, polls and polls on WordPress. And the most focused on the right marketing of them...

WatuPRO is a multipurpose online quiz and exam software that can be used in education, research, contests, competitions, marketing or to increase user engagement on your site...

Universal educational App provides you with all the tools you need to easily create any theory (ebook) and quiz based application...