Cliptutor

Knowt is a free study platform and the most popular Quizlet alternative, combining flashcards, note-taking, and AI study tools. Students can turn PDFs, lecture recordings, slides, and videos into flashcards, notes, and practice tests automatically.

Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster.

基于你自己的课程材料打造的 AI 学习工具与私人导师

ThetaWave AI is an AI note taker for students that captures live lectures and converts PDFs, slides, videos, YouTube links, and articles into structured notes, flashcards, quizzes, and mind maps — all in one study workspace.

Mindgrasp turns lectures, PDFs, videos, and web links into a complete AI study system, generating structured notes, summaries, flashcards, quizzes, and a 24/7 tutor so students can study smarter.

Turbo AI (formerly TurboLearn AI) turns lectures, PDFs, YouTube videos, and your own notes into interactive study material. It records and transcribes classes, writes organised notes in a Google Docs-style editor, then generates flashcards, quizzes, podcasts, and chatbot explanations so you can practise until the material clicks.