No moat. Still in business.

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An API that returns live flight prices and airline booking links for developers building travel search or price alerts.

Since 2015

Free plan · Developer tools · Developers

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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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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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Library of recorded iOS app screens, onboarding and paywalls that app teams and their AI agents can search.

Since 2018

Design and images · Developers

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Plan a website's structure as a visual sitemap with simple wireframes, built from scratch, from a URL or by AI.

Since 2019

Free plan · Website builders · Agencies

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Builds automated workflows and AI agents that connect hundreds of apps, as a hosted service or on your own servers.

Free plan · Automation and integrations

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Gives static website forms a hosted endpoint that stores submissions, filters spam and sends alerts to email, Slack or Discord.

Forms and surveys · Developers

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Logs errors from .NET and JavaScript apps, checks site uptime and scheduled jobs, and notifies your team in chat or email.

Free trial · Uptime and monitoring · Developers

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Send documents out for e-signature and pay only for the ones that get signed, with three free each month.

Since 2024

Free plan · Documents and e-signature

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Checks single addresses or whole lists for syntax, mail server and mailbox problems, by upload or API, with an email finder too.

Free plan · Email marketing

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Lets software teams add guided tours, setup checklists, NPS surveys and banners inside their app, self-hosted or hosted.

Customer support · Software companies

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Website analytics that stores no personal data so no consent banner is needed, with carbon estimates and AI agent access.

Free plan · Website analytics

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APIs and an MCP server that fetch link previews, page metadata, screenshots and clean Markdown from any URL.

Since 2014

Free plan · Developer tools · Developers

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Simple blog hosting with no ads or tracking: write in markdown and drag files in to publish, for a small monthly fee.

Since 2024

Subscription · Website builders · Individuals and families

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

Free plan · Developer tools · Developers

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An editing dashboard for Markdown and MDX kept in your GitHub repo, so clients can update static sites without Git.

Since 2022

Free plan · Website builders · Agencies

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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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Upload an HTML page, folder, Markdown file or PDF and get a public HTTPS link in seconds, handy for AI-made pages.

Free plan · Website builders · Individuals and families

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Paste or upload HTML and get clean Markdown back, in the browser or through an API.

Since 2024

Developer tools · Creators and writers

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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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Build clickable web and mobile app prototypes in the browser from ready UI components, for designers and product managers.

Design and images · Software companies

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Publishes static sites by drag and drop or through an AI agent, with custom domains, HTTPS and one-click version restore.

Free plan · Website builders · Individuals and families

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A WordPress plugin that exposes your site to AI assistants over MCP so they can edit and maintain it, for agencies and freelancers.

Free plan · Website builders · Agencies

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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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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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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 content management system that stores pages as plain files, not a database, with a page builder for designers running small sites.

Free · Website builders · Agencies

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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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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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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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A Windows app for programmers to inspect crash dumps and live processes, with an MCP link to AI tools.

Since 2026

Free · Developer tools · Developers

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API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.

Since 2025

Subscription · SEO · Agencies

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Lets security teams check IP addresses against honeypot data and pull attacker feeds into their SIEM or AI assistant.

Since 2026

Free plan · Security and passwords · Developers

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Converts PDF files into Markdown, keeping tables and turning equations into LaTeX, with DOCX and PDF export.

Since 2026

Free plan · Documents and e-signature

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Gives coding agents a version-aware search index of open-source code, docs and package data through an API and MCP server.

Since 2025

Developer tools · Developers

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Links your fitness wearables to Claude so athletes can ask plain questions about their training and health data.

Since 2026

Free plan · Health and habits · Individuals and families

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Links your bank accounts so you can ask Claude, ChatGPT or other AI tools about your spending and balances.

Since 2026

Subscription · Money and budgeting · 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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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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Edit HTML and Markdown files stored in Google Drive and put them on a public web address in one step.

Since 2026

Free plan · Website builders

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Build short interactive courses from your documents or videos with AI, then share or sell them to learners and staff.

Since 2025

Free plan · Courses and learning · Creators and writers

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Connects AI coding assistants to a WordPress site so they can build and edit native Divi 5 pages you keep editing visually.

Free plan · Website builders · Agencies

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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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Lets coding agents and CI jobs upload screenshots and reports and post them in one updating comment on a GitHub pull request.

Since 2026

Free plan · Developer tools · Developers

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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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Lets ChatGPT, Claude and other AI chat apps read files and run commands on your own machine or server.

Since 2025

Free plan · Developer tools · Individuals and families

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A hosted MCP server and REST API that gives Claude, ChatGPT or Cursor your Search Console data, SERPs and keyword volumes.

Since 2026

Free plan · SEO

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Shows where GitHub Actions minutes and money go by repo, workflow and step, and flags slow or failing runs to fix.

Since 2025

Free plan · Uptime and monitoring · Developers