No moat. Still in business.

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Gives AI agents their own email address through an API or MCP server so they can send, read and reply to mail.

Free plan · Transactional email · Developers

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Lets your coding agent spin up a sandboxed Linux box with a public HTTPS address and ship your app there, no account needed.

Free plan · Developer tools · Individuals and families

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WordPress plugin that lets Claude, Cursor and other MCP clients create posts, edit SEO and manage site content.

Free · Automation and integrations

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Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.

Security and passwords · Developers

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Lets AI assistants like Claude, Codex or ChatGPT run shell commands and background jobs on machines you own, with no inbound ports opened.

Free plan · Developer tools · 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.

Free plan · SEO

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Writes alt text for website images in over 130 languages and finds images missing descriptions, for accessibility and SEO.

Free plan · SEO

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Makes your Mac trackpad tap when the pointer moves over buttons and links, with visual aids for accessibility.

Free · Something else · Individuals and families

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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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Replaces private data with tokens that can be restored while AI agents run, so outside models never see it, and keeps a signed record.

Security and passwords · Agencies

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Gives AI coding agents a way to phone you when they are stuck on a choice, and turns what you say back into text for them.

Developer tools · Developers

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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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An API and MCP server with hundreds of exact math, text and conversion tools so AI agents stop guessing.

Free plan · Developer tools · Developers

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A Chrome extension that lets Claude Code, Cursor and other AI apps work in your signed-in browser tabs while you watch.

Since 2025

Developer tools · Developers

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A Chrome extension that strips clutter from web pages and adds reading rulers, text to speech and PDF tools for easier reading.

Since 2019

Focus and productivity · Individuals and families

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Keyword API for AI agents returning search volume, cost per click and competition in more than 50 countries, with a free daily allowance.

Free plan · SEO · Agencies

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Gives your OpenClaw AI agent a phone line so it can call you with alerts and briefings when your rules trigger.

Subscription · Automation and integrations · Individuals and families

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Gives AI agents a US or Canadian phone number for calls and SMS, usable over MCP, REST or an agent skill.

Free plan · Developer tools · Developers

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A light open-source code editor with coding agents, terminals and Git built in, for Mac, Windows and Linux.

Free · Developer tools · Developers

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Local Mac and Windows tool to list, test and switch the MCP servers configured in Codex, VS Code, Cursor and Claude.

Free · Developer tools · Developers

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Authorization service that lets engineering teams define access policies in one place and check permissions for users and AI agents.

Security and passwords · Developers

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One account and balance that lets your AI agent call hundreds of paid APIs and run the Python tools it builds.

Pay as you go · Developer tools · Developers

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A catalogue of ready APIs for public websites, plus a builder to make your own, for AI agents and apps.

Free plan · Developer tools · Developers

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Runs your app and tries to break each change your coding agent makes, then reports bugs with proof before release.

Developer tools · Developers

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Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.

Since 2025

Free plan · Developer tools · Developers

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Describe a sales or ops workflow in plain words and it builds an agent that runs it across your apps, with test runs first.

Since 2026

Free plan · Automation and integrations

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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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Traces AI agent runs in production, flags silent failures and lets teams test changes in simulation before release.

Since 2025

Free plan · Uptime and monitoring · Developers

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Live shared boards where a team works alongside coding agents like Claude Code and Codex, and trains reusable AI teammates.

Since 2025

Developer tools · Developers

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An AI agent for paid media agencies that checks client ad accounts daily, applies approved changes and writes reports.

Marketing and social · Agencies

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A team task manager where you can assign work to AI agents or mention them in comments and review what they produce.

Free plan · Projects and tasks

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Puts apps built with AI coding agents online with a sign-in, database and backups, so teams can share and use them.

Free plan · Developer tools · Developers

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Adds AI voice narration to website articles, product pages and lessons so visitors can listen instead of read.

Free plan · Video and audio · Online sellers

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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Adds a text-to-speech player to blogs and publisher sites so visitors can listen to articles.

Since 2019

Free plan · Video and audio · Creators and writers

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AI agents use your live web app like a real user, following set flows or exploring, and email you when something breaks.

Free plan · Uptime and monitoring · Developers

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Rent isolated cloud Linux machines for AI coding agents that sleep when idle, so you pay only while they run.

Pay as you go · Developer tools · Developers

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Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.

Free trial · Security and passwords · Developers

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Saves every prompt, session and tool call from your coding agents in one place so teams can search and share them.

Developer tools · Developers

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Lets teams building AI agents store user cards or issue cards so their agents can pay for things online.

Payments and checkout · Developers

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Shared Markdown notes and docs that a team and its AI agents can write and edit together in real time.

Free plan · Notes and knowledge · Developers

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Lets teams set up AI agents that work through their apps from Slack, Teams, WhatsApp or email and return finished tasks.

Free plan · Automation and integrations

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Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.

Subscription · Security and passwords · Developers

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Web search API with its own crawler and index, priced per thousand queries, for AI labs and agent builders.

Since 2026

Pay as you go · Developer tools · Developers

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Mac menu bar app that alerts you when a Cursor, Codex or Claude Code session wants input, so you can reply or switch to it.

Free · Developer tools · Developers

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A proxy that watches AI agent calls, spots runaway loops and blocks requests once a spending limit is hit.

Free plan · Uptime and monitoring · Developers

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A Mac menu bar app that reads any selected text aloud with offline speech models, including local voice cloning.

Free · Video and audio · Individuals and families

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Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.

Free plan · Developer tools · Developers