Causal 记录了 9,922 月访问量,月度环比增长为 +33.3%,定价为免费。Knowt 记录了 4,183,953 月访问量,增长率为 +5.4%,定价为免费。

把零散灵感变成完整方案的 AI 无限画布
笔记、图片、视频、链接、色卡、可转写的语音备忘以及手绘草图,全部在同一块可平移缩放的画布上。
智能体读取的是整个画布而非当前笔记,因此能总结项目、回答关于画布内容的问题,并把结构化卡片写入你的布局。
可直接使用视频简报、应用流程、网站方案、故事板、路线图、情绪板、竞品调研或周计划等模板。
在画布内嵌入技能进度条、状态视图和待办等轻量交互元素。
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.
Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them.
Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets.
Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most.
Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go.
Miro is a collaborative visual workspace where distributed teams diagram, plan, and run workshops on an infinite canvas, now enhanced with AI that can generate diagrams, summaries, and prototypes from board content.
专项更强Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
专项更强Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
互动式 AI 学习平台,可将课程资料转化为闪卡和测验,但包含更多视频讲解。
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.

Whimsical is a collaborative visual workspace that combines diagrams, flowcharts, mind maps, wireframes, documents and whiteboards on one infinite canvas, with AI tools that turn a prompt into a structured visual in seconds.
Whimsical is a collaborative visual workspace that combines diagrams, flowcharts, mind maps, wireframes, documents and whiteboards on one infinite canvas, with AI tools that turn a prompt into a structured visual in seconds.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.