No moat. Still in business.

0

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

0

Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

0

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

Since 2018

Design and images · Developers

0

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

0

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

0

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

0

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

Free plan · Website analytics

0

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

Customer support · Software companies

0

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

0

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

0

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

Forms and surveys · Developers

0

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

0

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

0

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

0

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

Since 2023

Data and spreadsheets

0

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

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

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

0

A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.

Developer tools · Developers

0

Build animated slides and hero sections visually, then export them as code, video, PDF or an embed.

Since 2025

Subscription · Design and images · Agencies

0

Turns an OpenAPI file into hosted API docs, client SDKs and an MCP server for software companies.

Developer tools · Developers

0

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

Since 2025

Subscription · SEO · Agencies

0

A budgeting app that works out how much you can spend each day and adjusts the figure after you overspend.

Since 2026

Free plan · Money and budgeting · Individuals and families

0

Swap github.com for its domain to get a remote MCP server that lets AI coding assistants read a repo's docs and code.

Since 2025

Free · Developer tools · Developers

0

Lets Apple app developers view their sales, rankings, ad spend and reviews on iPhone, iPad or Mac, even without a connection.

Since 2026

One-off payment · Website analytics · Developers

0

Draw software architecture as C4 diagrams in the browser and let coding agents read the model over MCP.

Since 2026

Free plan · Developer tools · Developers

0

Persistent cloud virtual machines with up to 60 vCPUs and optional GPUs, which coding agents drive via CLI or MCP, charged per minute.

Since 2026

Pay as you go · Developer tools · Developers

0

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

0

Lets coding agents drive Chrome or Firefox on your own machine while you handle logins and 2FA when needed.

Since 2026

Subscription · Developer tools · Developers

0

Desktop SQL client for Postgres, MySQL and SQLite with notebooks, a query builder and access for AI agents.

Free · Developer tools · Developers

0

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

Free plan · Design and images · Developers

0

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

One MCP server that gives AI agents hundreds of sourced data streams like weather, markets and releases, with full history.

Since 2026

Developer tools · Developers

0

Lets your AI assistant read and edit Ghost, WordPress, Shopify or Webflow content, with previews and undo for each publish.

Since 2026

Free plan · Website builders · Agencies

0

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

Free plan · Courses and learning · Creators and writers

0

A managed API for geocoding, address autocomplete and reverse lookups on open data, with a free monthly allowance.

Free plan · Developer tools · Developers

0

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

0

Shared memory store that saves facts from one AI tool and recalls them in others like Claude, ChatGPT and Cursor.

Since 2026

Free · Developer tools · Developers

0

WordPress SEO plugin that an AI assistant can drive through MCP, with Search Console and GA4 data in the dashboard.

Free plan · SEO

0

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

0

Generates API docs, client libraries in ten languages and an MCP server from your OpenAPI file, plus usage monitoring, for API providers.

Since 2026

Free plan · Developer tools · Developers

0

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

0

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

0

Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.

Since 2026

Free plan · Developer tools · Developers

0

Lets AI agents send, receive and reply to email in threads over an API or MCP, with usage limits and approvals.

Free plan · Transactional email · Developers

0

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

0

Puts a folder of static files online with one command or through an AI agent, with built-in form collection.

Website builders · Individuals and families

0

Checks lists of up to 100,000 URLs in the cloud, retries links that block bots, and can run scheduled broken link checks.

Since 2026

Subscription · Uptime and monitoring