No moat. Still in business.

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Save and organise links, articles and videos into collections with tags, highlights and full text search.

Since 2014

Free plan · Notes and knowledge · Individuals and families

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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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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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Software agents that keep CAQH profiles up to date and enroll US clinicians with insurance payers from start to finish.

Since 2025

Pay as you go · Practice management · Health and clinics

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Helps researchers search papers and their own files, ask questions across them and write with checked citations.

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.

Notes and knowledge · Individuals and families

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Free offline Mac app to open, read and edit Markdown files, with a table of contents and AI review notes.

Free · Notes and knowledge · Individuals and families

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Single-user bookmark manager you host yourself to save, tag, archive and share links, with followers on the fediverse.

Free · Notes and knowledge · Individuals and families

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Open-source notes app for keeping personal knowledge, with offline use, quick capture and apps for web, Mac and iPhone.

Notes and knowledge · Individuals and families

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A native Mac app to read and edit Markdown files, preview them in Finder and review changes made by coding agents.

Free · Notes and knowledge · Individuals and families

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Keeps documentation in GitHub repos in step with the code and shares that context with teammates and AI coding agents.

Since 2026

Free plan · Developer tools · Developers

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A company wiki where teams write, organise and search shared docs and policies, with search across linked tools.

Since 2020

Free plan · Notes and knowledge

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Save links to read later from any browser, then browse the pile with keyboard shortcuts, summaries and audio.

Since 2026

Notes and knowledge · Individuals and families

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Save articles, pictures and videos to read later, with highlights, labels, search and ebook export.

Free · Notes and knowledge · Individuals and families

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A hosted wiki that Claude, ChatGPT, Cursor and other AI agents share through MCP, so people can see and edit what the agents know.

Free plan · Developer tools · Developers

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Turns a document into a deck of concepts ordered by what to learn first, usable on the web or through an MCP server.

Free plan · Courses and learning · Individuals and families

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Records and transcribes your calls, writes summaries and sends meeting notes on to AI tools, for sales and customer teams.

Since 2020

Free plan · CRM and sales

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Free Mac menu bar tool that transcribes meetings, calls and dictation on the device and can turn them into minutes.

Free · Notes and knowledge

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Stores your preferences and notes once so any AI tool or agent can load them, with you approving each change.

Free plan · Notes and knowledge · Individuals and families

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A light tabbed markdown editor and viewer for the desktop with live preview, maths, diagrams and Vim keys.

Free · Notes and knowledge · Individuals and families

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Pulls your photos, messages, locations and social posts into one private timeline stored on your own computer.

Since 2025

Free · Notes and knowledge · Individuals and families

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A distraction-free writing page that saves notes on your device, works offline, and needs no account.

Free plan · Notes and knowledge · Individuals and families

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Native Mac, iPad and iPhone app for Excalidraw sketches with a local file library, history, search and cloud folder sync.

Design and images

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A private research notebook on your own computer that answers questions about your files and turns them into reports.

Notes and knowledge

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Shared docs workspace where people and AI agents write together, with branches and reviewable edits.

Free plan · Notes and knowledge · Developers

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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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Desktop app that plays and batch downloads podcasts, then transcribes and translates them offline into your notes.

Since 2026

One-off payment · Podcasting · Individuals and families

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Free Chrome extension that pulls text, code, math and tables from part of a page offline and saves pages as Markdown for LLMs.

Free · Developer tools · Individuals and families

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A Slack assistant that learns your company policies and answers staff questions, and helps onboard new hires.

Notes and knowledge

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A desktop Markdown editor that hides the syntax and shows formatted text as you type, sold for a one-off fee.

One-off payment · Notes and knowledge · Creators and writers

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Mac Markdown editor for writers who want to adjust fonts, colours and backgrounds, with optional Vim keys.

Since 2026

Free · Notes and knowledge · Individuals and families

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Shared online clipboard that syncs text and files between your devices through a private link that expires, no account required.

Free · Notes and knowledge · Individuals and families

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Writing app that keeps several takes of each paragraph, so writers can compare drafts, restore cut passages and proofread.

Notes and knowledge · Individuals and families

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A Mac app that copies clean links to files, emails, tasks and pages so you can jump back to them without searching.

Free plan · Notes and knowledge · Individuals and families

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Weekly email of the posts you saved on Bluesky, Mastodon, Nostr and X, plus a searchable archive of everything you bookmarked.

Subscription · Notes and knowledge · Individuals and families

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A free knowledge base you run on your own server to publish help articles sorted into nested categories.

Free · Customer support

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One shared store of plans, rules and research that your and your team's AI agents can all read and update.

Since 2026

Free plan · Notes and knowledge

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A Chrome extension that remembers the pages you read, finds them again by meaning, groups tabs and answers questions about them.

Free plan · Notes and knowledge · Individuals and families

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Save recipes from any website without the ads, then plan meals and build shopping lists at home.

Free · Notes and knowledge · Individuals and families

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A free desktop Markdown app for researchers and writers, with citations, local files and export to journal templates.

Free · Notes and knowledge · Creators and writers

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A notes app that auto-tags your notes, links related ideas, searches by meaning and writes summaries from them.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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Web app for research groups to store, search and annotate PDF papers and pull references from academic databases.

Documents and e-signature · Schools and tutors

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Plan and track team projects alongside a shared wiki, with AI helpers, on their cloud or your own servers.

Free plan · Projects and tasks

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Open-source wiki software you host yourself so a team can write and share its internal documentation.

Free · Notes and knowledge

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Mac app for developers that indexes their starred GitHub repos, tags and summarises them with AI, and tracks new releases.

One-off payment · Developer tools · Developers

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Writes a daily diary entry for you each morning from your calendar, chat, code and social activity.

Free plan · Notes and knowledge · Individuals and families

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Q&A site and knowledge base that teams can host themselves to collect answers to common questions.

Free · Customer support

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Indexes the documents, images and web clips on your computer so you and your AI assistants can search and read them.

Notes and knowledge · Individuals and families