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Notes and knowledge software

Small, specific notes and knowledge tools, ready to use today. 496 products listed. Of these, 294 have a free plan, 52 sell for a one-off price, 11 carry proof such as verified revenue, update history or uptime.

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  Neverkin

  A free worldbuilding app where writers and game masters keep lore, timelines and mind maps, and edit together.

  Free · Notes and knowledge · Individuals and families

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  Nota

  Notes app for iPhone, iPad and Mac that combines recordings, photos and text in one note and drafts summaries and follow-ups.

  Notes and knowledge · Individuals and families

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  notaru

  Type a plain sentence and notaru turns it into linked tasks, events, people and projects for your day.

  Since 2026

  Free plan · Notes and knowledge · Individuals and families

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  Note Mark

  A fast, minimal Markdown notes app you host yourself, with folders, file attachments and note sharing.

  Free · Notes and knowledge · Individuals and families

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  NoteBase

  For students and professionals: turns audio, documents, images and YouTube links into summaries, flashcards and to do lists.

  Free plan · Notes and knowledge · Individuals and families

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  Notebook

  iPhone diary that keeps daily notes on book-like pages with search, passcode and iCloud sync.

  Notes and knowledge · Individuals and families

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  NoteCat

  Discord bot that captures voice chats and writes them up as live text, AI summaries and transcripts you can share.

  Since 2026

  Free plan · Video and audio · Individuals and families

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  Notechat

  A Mac app that lets you ask questions about your Apple Notes, with the AI model running on your own machine.

  Since 2025

  Notes and knowledge · Individuals and families

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  NoteCrypt

  iPhone notes app that locks your notes with a password and AES encryption, fully offline with no account.

  One-off payment · Security and passwords · Individuals and families

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  NoteCube

  Records meetings and talks, writes a live transcript others can follow by QR code, then sends out a summary.

  Free plan · Notes and knowledge · Individuals and families

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  Noted

  Records meetings and lectures, transcribes them live and ties each typed line to the moment in the audio.

  Free plan · Notes and knowledge · Individuals and families

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  Notedog

  A private Android journal that saves entries as Markdown files, lets you edit from a laptop browser and backs up to Git.

  Since 2026

  Free plan · Notes and knowledge · Individuals and families

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  NoteFor

  A private diary app where you pick a font to match your mood, on iPhone, Android and the browser.

  Notes and knowledge · Individuals and families

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  NoteGen

  A free open-source notes app that captures text, voice and links, then uses AI to sort them into Markdown notes.

  Free · Notes and knowledge · Individuals and families

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  Notenik

  A Mac notes app that keeps notes as plain Markdown text files in folders you choose, with links between notes.

  Free · Notes and knowledge · Individuals and families

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  NotePlan

  Daily notes app that puts project notes, tasks, Apple Calendar events and Reminders side by side for planning each day.

  Since 2020

  Subscription · Notes and knowledge · Individuals and families

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  NotePlus

  A native Markdown notes app for Mac, iPhone and Windows that stores notes in your own cloud, with Kanban boards.

  Notes and knowledge · Individuals and families

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  Notes Writer

  Apple notebook app that mixes handwriting, PDF markup, voice notes, Word files and LaTeX for study and research.

  Notes and knowledge · Individuals and families

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  Noteshelf

  Handwritten note-taking app with realistic pens, PDF annotation and notebook organisation for tablet and phone users.

  Notes and knowledge · Individuals and families

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  NotesHub

  Markdown note app for every device that stores plain files and syncs through Git, GitHub, iCloud or your own server.

  Since 2024

  Notes and knowledge · Individuals and families

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  Notesnook

  Private notes app that encrypts everything on your device and syncs it across phone, desktop and web.

  Since 2021

  Free plan · Notes and knowledge · Individuals and families

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  NoteUX

  A minimal browser scratch pad for quick notes, saved locally, with dark mode and text download.

  Notes and knowledge · Individuals and families

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  Notewise

  Mobile notes app that turns recordings, PDFs and images into structured notes and action items you can query with AI.

  Notes and knowledge · Individuals and families

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  Noticky

  Sticky notes for Mac that float above fullscreen apps, can pop up with a chosen app and stay hidden when you share your screen.

  Since 2026

  One-off payment · Notes and knowledge · Individuals and families

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  NovelOS

  A local writing studio for novelists with plotting boards, character profiles, world notes and a manuscript editor, bought once.

  Since 2026

  One-off payment · Notes and knowledge · Individuals and families

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  novelWriter

  A desktop writing app for novelists that keeps chapters and notes as plain text files with synopses and cross references.

  Free · Notes and knowledge · Creators and writers

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  Nuclino

  A fast shared wiki where teams keep documents, notes and project boards together.

  Since 2016

  Projects and tasks

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  Oatpad

  A light Mac notes app with slash commands and rich formatting, stored locally and bought once.

  Since 2026

  One-off payment · Notes and knowledge · Individuals and families

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  Oats

  Free Mac app that records and transcribes your meetings locally, with no bot in the call and no account or cloud upload.

  Since 2026

  Free · Notes and knowledge

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  Obris

  Store your team's docs and context once and make them available inside Claude, ChatGPT and other AI tools over MCP.

  Since 2025

  Subscription · Notes and knowledge

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  Obsibrain

  A ready-made Obsidian setup that ties tasks, projects, goals and reviews together, bought once.

  Since 2024

  One-off payment · Projects and tasks · Individuals and families

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  Octarine

  A quick note-taking app for Mac and iPhone that saves your writing as plain Markdown files on your own device.

  Since 2025

  Notes and knowledge · Individuals and families

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  OmniForge

  Records and summarises meetings on your own computer without a bot, then answers questions across recordings and documents.

  Since 2026

  Notes and knowledge

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  Open Notebook

  Private research notebook that uses AI to summarise your links, PDFs and videos and can turn notes into podcasts.

  Free · Notes and knowledge · Individuals and families

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  Open Paper

  Upload research papers to annotate them, chat about them and get audio summaries, aimed at academics and researchers.

  Since 2025

  Free plan · Notes and knowledge · Individuals and families

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  OpenMarkdown

  A quick-starting desktop editor for plain Markdown files that you can also hand to coding agents for writing prompts.

  Since 2026

  Free plan · Notes and knowledge · Individuals and families

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  OpenNotas

  Lightweight note app for phone and desktop that syncs through your own storage backend and encrypts notes end to end.

  Notes and knowledge · Individuals and families

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  Opensidian

  A free markdown notes app for Linux that opens Obsidian vaults, with wikilinks, backlinks and a graph view.

  Since 2026

  Free · Notes and knowledge · Individuals and families

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  OrbNote

  Notes app for Apple devices where each thought, photo or voice memo is saved like a chat message and sorted later.

  Notes and knowledge · Individuals and families

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  Organizer

  A browser app that keeps notes, events and follow-ups as dated timelines stored on your own device, with todos and tags.

  Since 2026

  Notes and knowledge · Individuals and families

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  Orgnise

  Shared space where teams write docs and move the same pages across boards to track project status.

  Free plan · Projects and tasks

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  Outline

  A freeform notebook app for Mac, iPad and iPhone with sections, drawings and encrypted pages.

  Free plan · Notes and knowledge · Individuals and families

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  Outline

  A shared wiki for teams to write and search internal docs, specs and meeting notes, with Slack search and AI answers.

  Subscription · Notes and knowledge

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  Owll

  Records meetings, lectures and calls, transcribes them in many languages and writes summaries with action items.

  Free plan · Notes and knowledge

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  PACR

  A workspace where researchers search papers, sort them into projects and draft manuscripts with sources attached.

  Since 2025

  Free plan · Notes and knowledge · Schools and tutors

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  Pano

  Save links from your browser or phone into searchable shelves you can keep private or share.

  Since 2026

  Free · Notes and knowledge · Individuals and families

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  Panto

  A light markdown notes app with nested pages, custom templates and searchable PDFs that you can share with a team.

  Since 2025

  Free plan · Notes and knowledge · Individuals and families

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  Paper

  A minimal writing space for iPhone, iPad and Mac with settings that stay hidden until needed, aimed at writers.

  Free plan · Notes and knowledge · Individuals and families

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  Paper

  A terminal journal where developers log a line a day about their work, with an AI coach that helps at review time.

  Free plan · Notes and knowledge · Developers

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  Paperbot AI

  Converts long YouTube videos into short readable summaries for students and busy learners.

  One-off payment · Video and audio · Individuals and families

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  ParkourNote

  Research workspace that keeps papers, web pages, recordings and lectures with your notes and lets AI answer from your library.

  Since 2026

  Notes and knowledge · Individuals and families

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  Passinote

  A free canvas for placing, stacking and grouping notes in named zones, with export to PDF.

  Since 2026

  Free · Notes and knowledge · Individuals and families

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  Pellet

  An offline notes app that keeps notes, tasks and canvases as plain markdown files in your own folders, across desktop and phone.

  Notes and knowledge · Individuals and families

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  Penbook

  iPad and iPhone notebook for Apple Pencil with free planner and paper templates that show your calendar events on the page.

  Notes and knowledge · Individuals and families

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  Pensive

  Saves the full text of web pages you bookmark so you can search them by any word or ask questions later.

  Since 2025

  Free plan · Notes and knowledge · Individuals and families

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  Penzu

  A private, encrypted diary you can write in from the web or your phone, with reminders, custom covers and locked entries.

  Free plan · Notes and knowledge · Individuals and families

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  Philo

  A desktop daily notes app that carries open tasks forward, repeats routine ones and saves everything as markdown files.

  Since 2026

  Free · Notes and knowledge · Individuals and families

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  Pinpal Projects

  Simple projects, notes and to-do apps for Apple devices that Claude, ChatGPT or other AI can open and edit with you.

  Free plan · Projects and tasks · Individuals and families

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  PipesHub

  Searches your company's Slack, Drive, GitHub and other tools by permission and answers questions with links to the source.

  Notes and knowledge

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  Pirrot

  Shows live captions as people talk and turns recordings into searchable transcripts, summaries and action items on iPhone and Mac.

  Free plan · Notes and knowledge

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• Notes and knowledge software for software companies 39