Recall Cards is described as 'Flashcards application for efficient learners' and is a flashcard learning tool in the education & reference category. There are more than 50 alternatives to Recall Cards, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Mac apps. The best Recall Cards alternative is Anki, which is both free and Open Source. Other great sites and apps similar to Recall Cards are AnkiDroid, RemNote, Memrise and Mochi.
Zumiqo is a learning tool that generates structured study books and step-by-step learning paths on any topic. Each book includes chapters, flashcards, practice questions, and a final exam, with PDF and EPUB export for offline study.
