No moat. Still in business.

0

Paste or upload two lists and see which items match, differ or repeat, with options for case and whitespace.

Since 2025

Free · Data and spreadsheets

0

Data API for developers and analysts covering decades of company financials, ratios, earnings call transcripts and share prices.

Free plan · Developer tools · Developers

0

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

0

Cleans CSV and Excel files on your own device, fixing duplicates, dates, names and phone numbers with steps you can undo.

Free plan · Data and spreadsheets

0

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

0

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

0

A vehicle data API for developers: decode VINs, look up plates, check stolen status, inspection records, values and mileage.

Free plan · Developer tools · Developers

0

API with live and historical prediction market odds and order books across Kalshi and Polymarket for traders and researchers.

Free plan · Developer tools · Developers

0

Make chart images from a single URL to embed in emails, PDFs and reports, through the API or no-code tools.

Free plan · Developer tools

0

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

Notes and knowledge · Individuals and families

0

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

0

A WordPress plugin for making data tables that visitors can search, sort and page through on any device.

Website builders

0

Spreadsheet-style database where teams describe a process and get tables, forms, apps and automations built from it.

Free plan · Data and spreadsheets

0

Checks whether phone numbers are real and shows country, carrier and line type, by API or bulk CSV upload.

Free plan · Developer tools · Developers

0

A Mac database client for querying and editing data, with SQL and Python notebooks and an AI assistant that writes queries.

Since 2023

Free plan · Developer tools · Developers

0

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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A news API and monitoring service that turns coverage from thousands of sources into structured, searchable data.

Free plan · Developer tools · Developers

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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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Browser tool for opening and searching very large Parquet, JSONL and CSV datasets, adding AI generated columns and exporting the result.

Since 2025

Developer tools · Developers

0

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

0

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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A searchable database of venture funds built from SEC filings, with shortlists and outreach tracking for founders raising money.

Free plan · CRM and sales · Software companies

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A browser extension that pulls lists and page details from websites into CSV or JSON, with no coding needed.

Since 2024

Free · Data and spreadsheets

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Lets data teams build reports and dashboards from SQL and markdown, with a hosted option and an agent for questions.

Since 2021

Data and spreadsheets · Developers

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Desktop app for developers to browse, edit, query, import and export Firebase Firestore data on Mac, Windows or Linux.

Since 2021

Subscription · Developer tools · Developers

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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

0

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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Moves products, customers and orders from one ecommerce platform to another, such as WooCommerce to Shopify.

One-off payment · Online shops · Online sellers

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Structured data on shareholdings, buybacks and results for listed Japanese companies, drawn from their filings, by API or chat assistant.

Free plan · Data and spreadsheets

0

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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An API that lets AI agents search the web and licensed data sources and get cited answers and charts back.

Since 2025

Developer tools · Developers

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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 scraping API that fetches any page through proxies and headless browsers and returns HTML, text or structured JSON.

Free plan · Developer tools · Online sellers

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Research assistant for buy-side investors that answers questions from filings and your own documents, with a citation on each figure.

Data and spreadsheets

0

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

0

Set up bots without code that pull data from websites into spreadsheets or APIs and alert you when pages change.

Free plan · Data and spreadsheets

0

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

0

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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Upload a CSV, pick columns and a chart type, and download a bar, line, scatter or pie chart. Aimed at students and researchers.

Free · Data and spreadsheets · Individuals and families

0

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

Free plan · Notes and knowledge · Developers

0

Map tool for franchises to draw sales territories by drive time and study local population and competitors.

Since 2018

Free trial · Marketing and social · Shops and retail