Apps to Spaced Repetition System

AnkiDroid is a powerful and free open-source mobile application for learning and memorizing through spaced repetition flashcards. It leverages the proven principles of spaced repetition to help users effectively retain information for the long term across various subjects and disciplines.

Mnemosyne is an open-source, free flashcard software leveraging spaced repetition to optimize learning. It features a user-friendly interface and supports various content types, making it ideal for students and lifelong learners aiming to improve memorization efficiency across different subjects.

Anki is a powerful, free, and open-source spaced repetition flashcard program designed to make learning and remembering information significantly more efficient and long-lasting. It leverages algorithmic scheduling to optimize study time.