No moat. Still in business.

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Write JavaScript or Python functions in the browser and publish them as API endpoints in one click.

Since 2021

Free plan · Developer tools · Developers

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Detects AI agents logging into your SaaS app, masks private fields and asks the account owner before exports or payments.

Free trial · Security and passwords · Software companies

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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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AI agents play through your game or app on real phones and PCs to find bugs and run QA tasks.

Since 2024

Developer tools · Developers

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An API that pulls structured data out of web pages using AI, aimed at developers and AI agent builders.

Since 2024

Free plan · Developer tools · Developers

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AI agents that run browser tasks like logging into portals, filling forms and pulling out data, without fragile scripts.

Since 2024

Subscription · Developer tools

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Hosting for developers that deploys Dockerfiles or images as apps, workers, cron jobs and databases on a private network.

Since 2024

Free plan · Developer tools · Developers

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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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Builds and runs automated tests for Salesforce and other enterprise web apps from plain language, with no code.

Since 2024

Free trial · Developer tools · Software companies

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Runs background jobs, workflows and AI agent steps with retries and step logs, as an open source SDK and hosted cloud.

Since 2023

Free plan · Developer tools · Developers

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One API and an in-app inbox component that let software teams send notifications by email, SMS, push, chat and in-app.

Transactional email · Developers

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Gives AI assistants and agents authenticated access to over 1,500 apps so they can take actions, with a managed MCP gateway.

Pay as you go · Developer tools · Developers

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An API and SDKs that pull structured data from web pages using plain-language queries, for developers building AI agents.

Since 2024

Free plan · 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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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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Hosted isolated sandboxes where AI agents can run code safely, with snapshots, Git hosting and orchestration.

Since 2024

Free plan · Developer tools · Developers

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An iPhone and desktop app that lets developers run and follow AI coding sessions on their own computer from anywhere.

Since 2026

Developer tools · Developers

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Model your data warehouse in YAML, then send business-term queries and get back one deterministic SQL statement.

Since 2026

Developer tools · Developers

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

Since 2026

Free plan · 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.

Since 2026

Free plan · Uptime and monitoring · Developers

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An email API that developers use to receive mail on their own domain as JSON, route it and reply in the same thread.

Since 2025

Subscription · Transactional email · Developers

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An API that sets up an AI agent with its own email inbox, secret vault, calendar, signed identity and USDC wallet.

Since 2026

Developer tools · Developers

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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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A hosted API for appending to and reading from durable real-time streams, aimed at developers building agents and event pipelines.

Since 2025

Developer tools · Developers

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A Mac app that lets developers chat with, approve and schedule their AI coding agents as if they were messaging contacts.

Since 2026

Free · 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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Rents short-lived cloud Macs with Xcode to AI coding agents so developers can build and ship iOS apps without owning a Mac.

Since 2026

Pay as you go · Developer tools · Developers

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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

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A REST API that drives real browsers and returns structured page data and diffs, for developers building AI agents.

Since 2026

Subscription · Developer tools · Developers

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Builds a command line tool for your API from its docs, with binaries, install scripts and updates, so AI agents can use it.

Since 2026

Developer tools · Developers

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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.

Since 2026

Developer tools · Developers

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API that searches online stores and turns product pages into clean structured data that AI shopping agents can use.

Since 2026

Pay as you go · Developer tools · Developers

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Gives AI agents their own email addresses and inboxes through an API, hosted in the EU, for developers building agents.

Since 2026

Free plan · Transactional email · 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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An open-source API and dashboard for developers to deploy and run stateful AI agents on any model, either hosted or on their own servers.

Since 2025

Free plan · Developer tools · Developers

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A hosted portal that joins your MCP servers into one endpoint with OAuth, so AI agents load far fewer tool definitions.

Since 2026

Free plan · Developer tools · Developers

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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.

Since 2026

Free plan · Developer tools · Developers

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Hosts CrewAI and LangGraph agents for developers with one-command deploys, live run streaming and scaling.

Since 2026

Pay as you go · Developer tools · Developers

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A Mac terminal that runs many Claude Code sessions on local and remote machines and flags which ones need a reply.

Since 2026

Free · Developer tools · Developers

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Rent GPUs by the minute or call open models through an OpenAI-compatible API, for AI teams and their agents.

Since 2025

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.

Since 2026

Free trial · Security and passwords · 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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Lets teams building AI agents store user cards or issue cards so their agents can pay for things online.

Since 2026

Payments and checkout · Developers

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Connects AI agents to hundreds of apps through one MCP endpoint, handling each user's OAuth tokens, scopes and call logs.

Free plan · Developer tools · Developers

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A single feed where your coding agents send briefs when they need a decision, and you reply inside them.

Since 2026

Free plan · Developer tools · Developers

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An API that gathers sourced, deduplicated web evidence for AI agents and says when there is not enough to answer.

Since 2025

Subscription · Developer tools · Developers