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.

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

AI Flash.Cards - Create personalized flashcards from any text or pdf file

FlashcardX - Ai flashcard generator

Flashwise - AI Powered Spaced Repetition Flashcards

MintDeck App - Smart flashcards with AI-powered learning. Use spaced repetition to master any subject.