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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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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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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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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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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Note taking app where people, books, ideas and links become linked entries rather than documents sorted into folders.

Free plan · Notes and knowledge · Individuals and families

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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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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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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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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

Developer tools · Developers

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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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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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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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Simple note app focused on privacy, free to use, with a low yearly plan that adds tags, locked notes and dark mode.

Free plan · Notes and knowledge · Individuals and families

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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 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 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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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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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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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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Free offline notebook app that keeps notes on your device with themes, PDF export and one-click backups, no account required.

Free · 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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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

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Crawls a website and gives AI agents an MCP endpoint, llms.txt and cited answers, plus stats on agent visits.

Since 2026

Free plan · SEO

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Track your wine bottles, where they are stored, when to open them and your tasting notes, on your own server.

Free · Inventory and stock · Individuals and families

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Lets agents model the cost, latency, error rates and resilience of infrastructure changes on AWS, GCP, Azure and others before deploying.

Since 2026

Developer tools · Developers

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

Since 2025

Notes and knowledge · Individuals and families

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Paste a website address to get its colour palette, or call an API for a site's logo, colours and fonts.

Since 2025

Free plan · Design and images · Developers

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Turns PDFs, Office files, scans and web pages into clean Markdown for use with AI chat tools, via web, API or MCP.

Since 2025

Free plan · Documents and e-signature

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Lets Claude or other AI agents audit, launch and adjust Meta ad campaigns for marketers and agencies.

Since 2026

Free plan · Marketing and social

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Cookie-free website analytics for people running many small sites, installable by an AI coding agent through MCP.

Free plan · Website analytics · Creators and writers

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Finds keywords, writes articles and publishes them to your site on a schedule, with backlink swaps, for sites wanting search traffic.

Subscription · SEO · Online sellers

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Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.

Free plan · Developer tools · Agencies

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Team members record their knowledge once and an MCP server passes it to ChatGPT, Copilot, Cursor and Claude Code as shared context.

Since 2026

Subscription · Developer tools · Developers

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Shared SQL editor for data teams that stores common queries and sends scheduled results to Google Sheets or Slack.

Since 2026

Free trial · Developer tools · Developers