No moat. Still in business.

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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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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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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An API that crawls whole websites and returns tidy markdown for teams feeding RAG systems or training models.

Since 2024

Free plan · Developer tools · Developers

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Markdown app for Mac and iOS to write, keep notes and publish them as a static blog.

One-off payment · Website builders · Individuals and families

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A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.

Subscription · Notes and knowledge · Developers

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Small text app for jotting and keeping short notes, synced via iCloud to iPhone, iPad, Watch and Mac.

Notes and knowledge · Individuals and families

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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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Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.

Free plan · Website builders · Software companies

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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A self-hosted place to jot quick markdown notes in a personal timeline, keeping each private or shared.

Notes and knowledge · Individuals and families

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Drop in papers, notes and transcripts and an AI agent files them into a cited, linked markdown wiki you keep.

Since 2026

Notes and knowledge · Individuals and families

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A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.

Free · Notes and knowledge

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Converts PDFs, office files and scans into clean Markdown, JSON or chunks ready for AI and search pipelines.

Since 2025

Free plan · Developer tools · Developers

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Transcribes meetings, calls and voice memos on your own machine into markdown files that your AI assistant can search.

Free · Notes and knowledge · Individuals and families

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Notes app for developers and ops engineers where shell, code, SQL and prompt blocks in Markdown run in place and print results below.

Since 2026

Free · Developer tools · Developers

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Real time editor where teams write shared markdown files together, see each other's cursors and keep past versions, no Git needed.

Since 2026

Notes and knowledge

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A light Markdown notebook that keeps notes on your device, with optional sync and AI models that run locally.

Since 2026

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

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A free desktop notes app that keeps each note as a local Markdown file, with one box to search, create and link notes.

Since 2026

Free · Notes and knowledge · Individuals and families

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Markdown document editor where teams and AI agents like Claude and ChatGPT write together live, with presentations and blog publishing.

Since 2026

Free plan · Documents and e-signature · Developers

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A shared Markdown editor where teams and coding agents write documents and build small internal tools stored in git.

Developer tools · Developers

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Focused writing app with a clean Markdown editor, for writers who want fewer distractions.

Free trial · Notes and knowledge · Individuals and families

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Free notes app that keeps journals, checklists and linked ideas as private Markdown files, with a chat-style capture box.

Since 2026

Free · Notes and knowledge · Individuals and families

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A browser extension that clips pages, videos and threads into Markdown files on your disk for Obsidian or AI assistants.

Since 2026

Notes and knowledge · Individuals and families

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A fast desktop notes app with blocks, Markdown, images and task boards, storing notes locally first.

Free · Notes and knowledge · Individuals and families

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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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A notes app that saves plain Markdown files on your own disk, with tasks, links and optional sync.

Since 2026

Free · Notes and knowledge · Individuals and families

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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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Browser extension that downloads whole Claude chats or picked messages as PDF, Markdown, plain text, CSV, JSON or image files.

Since 2025

Free plan · Notes and knowledge · Individuals and families

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Note-taking app for desktop and phone that syncs your notes, with a web clipper and optional paid cloud sharing.

Free · Notes and knowledge · Individuals and families

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Colour-coded sticky notes for iPhone, Mac and Vision Pro that sync over iCloud and support Markdown and attachments.

Notes and knowledge · Individuals and families

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An AI agent inside Jupyter that writes and runs Python cells, reads the results and fixes errors during data analysis.

Since 2025

Free plan · Developer tools · Developers

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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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A Mac notes app for keeping Markdown documents, driven by the keyboard, with fuzzy search and version history.

Since 2025

Notes and knowledge · Individuals and families