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A local Markdown notebook that maps the path between connected ideas.

Arrange notes, images, links, and files on visual boards for creative project thinking.

AI study tools that turn notes, PDFs and slides into flashcards, quizzes, notes and mind maps.

A web notes app with wikilinks, a knowledge graph, spaces, tags, search, and cross-device sync.

AI voice notetaker that turns speech into notes, to-dos and output.

An Android handwriting workspace with notebooks, PDF markup, sticky notes, and corkboards.

AI note taker that watches videos and saves Markdown notes to Obsidian

A simple free desktop notebook with safe saves, version history, folders, and a focus mode.

A free, open-source notebook for organizing notes in the browser or on desktop.

Write naturally by hand and add PDF pages to notes for markup.

A local-first knowledge notebook that combines text, handwriting, boards, and linked notes.

A free, open-source Markdown editor for research notes and long-form writing.

A zoomable handwriting and planning notebook with sub-pages and document annotation.

An infinite canvas for notes, images, links, to-dos, and nested visual boards.

Keep quick Markdown memos on infrastructure you choose and retrieve them through search.

A notebook app for Mac, iPad, and iPhone with hierarchical pages, handwriting, and cloud sync.

A local-first personal knowledge workspace for private notes, linked objects, and databases.

Organize research notes, themes and key insights

AI note taker that turns lectures and uploads into notes, transcripts and study materials.

Collaborate on an online canvas with sticky notes, drawing tools, comments, timers, and board templates.

Keep direct and group conversations in context with channels, threads, reactions, and voice notes.

A local-first desktop notebook that stores Markdown notes and canvases on the user’s computer.

Read study PDFs and make notes as part of one annotation workflow.

Build a hierarchical personal knowledge base locally or on a self-hosted server.