Anki

Anki is an open-source spaced repetition flashcard program designed to help users remember information. It allows for the creation of customizable flashcards that support rich media, including audio, images, and videos. The software optimizes study time by focusing on challenging material. Users can synchronize their flashcards across multiple devices using the free AnkiWeb service. Anki supports large card decks and offers an add-on ecosystem for extending its features and functionality. It provides tools for managing and reviewing educational content.