Reflect App for Evernote - Remember what's important with flashcards

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.

MemoStack - MemoStack is a flashcard software that help you memorize more things with less effort. It works great for test preparation, language learning, and more.

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

SpacedTime - Remember the important things in your life

Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.