SumyAI 现已正式关停，其官方域名（sumyai.com）已被放弃并在 Spaceship.com 挂牌出售（标价 7,000 美元）。原有的 AI 智能笔记与总结平台已彻底不复存在。
域名安全预警：原域名 sumyai.com 可能已过期停靠、出售或易主，为保护访问安全已屏蔽直接外链跳转。
AI 笔记生成器中目前正常运营的已核验工具，按近期访问量与编辑评分排序。
该工具曾是一款功能全面的 AI 智能笔记与知识管理平台，能够对视频、录音、PDF 文档和学术讲座进行深度总结。它能自动生成闪卡、思维导图和测试题，帮助学生和研究人员高效消化学习资料。
鉴于 SumyAI 域名已被抢注并在二手域名市场挂牌出售，请勿访问或试图购买旧网址。直接浏览本页首屏推荐的安全在营 AI 笔记与学习辅助工具。
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.
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.
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.
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.
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.
把课堂、会议、PDF 和视频变成结构化笔记、单词卡与测验
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.
用 AI 把讲座、视频与 PDF 变成结构化笔记
