FlexiQuiz - FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.

LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys

ClassQuiz - ClassQuiz is a quiz-platform that allows you to create and manage quizzes.

Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.