Free AI Tools for spaced repetition

Jungle is an AI flashcard and quiz generator that turns notes, slides, PDFs, and videos into study questions in seconds.

Flashka is an AI flashcard and quiz study tool that helps students learn faster with spaced repetition and highlight-based card generation.

Knowt is a free AI study platform for flashcards, notes, quizzes, and lecture or PDF summarization, positioned as a Quizlet alternative.