No moat. Still in business.

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A hosted API for product teams to send app notifications over email, SMS, push, chat and an in app inbox.

Since 2020

Free plan · Transactional email · Developers

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Builds iOS and Android apps straight from Figma designs, producing React Native code that designers can ship to app stores.

Since 2019

Free plan · Design and images · Agencies

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Coordinates and automates mobile app releases for iOS and Android teams, from release trains to staged rollouts.

Since 2021

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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Lets SaaS teams record browser tests without code and run them in the cloud or CI before each release.

Free plan · Developer tools · Software companies

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Desktop scratchpad that runs JavaScript as you type, with Node, browser APIs and npm packages, for developers testing ideas.

Since 2024

Free plan · Developer tools · Developers

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An online workspace for writing, running and sharing AI prompts across several models, for teams building LLM features.

Since 2023

Free plan · Developer tools · Developers

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A gateway that lets platform teams reach many AI model providers through one key, with spend limits, routing and logs.

Developer tools · Developers

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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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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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A Mac app that gives programmers offline search across 200+ API doc sets, cheat sheets and their own code snippets.

Developer tools · 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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Open-source gateway that routes app requests to many LLM providers, with budgets, guardrails and logging.

Free · Developer tools · Developers

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A GitHub app that runs AI agents in GitHub Actions to review pull requests, triage issues and fix failing CI.

Free plan · Developer tools · 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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Gateway that sits in front of your LLM calls to log traces, track cost, run evals and strip personal data.

Free plan · Security and passwords · Developers

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Test, debug and run evals on MCP servers across many AI clients, locally or in CI, for teams building them.

Since 2026

Free plan · 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

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Keeps an ML project's decisions, evidence and next steps in a brief that Claude, ChatGPT or Cursor can load and update.

Since 2026

Free plan · Developer tools · Developers

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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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A hosted backend and SDK so developers can add LLM chat to client apps using their own provider keys, with no server code.

Since 2025

Developer tools · Developers

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For developers: pulls crash reports out of Sentry or PostHog, drafts a fix in your own GitHub Actions with your AI key, and opens a PR.

Since 2026

Free plan · 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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An API and MCP server that returns local shows, markets and events as JSON, for developers building apps or AI agents.

Since 2026

Free plan · Developer tools · Developers

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A Windows app that runs several AI coding agents as planner, coders, tester and reviewer on a shared board you control.

Since 2026

Free · Developer tools · Developers

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Watches your app's Claude API calls and points out waste, such as repeated prompts or oversized models, with suggested fixes.

Since 2026

Uptime and monitoring · 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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An API and MCP server that lets AI agents send contracts and collect two-party signatures by email.

Since 2026

Free plan · Documents and e-signature · Developers

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A hosted wiki that Claude, ChatGPT, Cursor and other AI agents share through MCP, so people can see and edit what the agents know.

Free plan · 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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Hosts MCP servers and apps in production and checks how they behave across ChatGPT, Claude and other AI clients.

Since 2026

Free plan · Developer tools · Developers

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Shows engineering leaders how much their team uses AI models, what it costs and who is getting value from it.

Since 2026

Subscription · Developer tools · Developers

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Chrome extension that grabs a component from any web page and turns it into code, an AI prompt or Figma layers.

Since 2026

Free plan · Design and images · Agencies

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An AI agent that edits KiCad schematics and boards and reruns electrical and design rule checks until they pass.

Since 2026

Free · Developer tools

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Mac menu bar app that shows how much of your Claude and Claude Code quota and spend you have used.

Free · Developer tools · Developers

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Hosts PocketBase backends with deploy on push, backups and custom domains at a flat price, for indie developers and freelancers.

Since 2026

Subscription · Developer tools · Agencies

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API that searches nine free stock photo sites by meaning with a single key; all images can be used without crediting anyone.

Free plan · Design and images · Creators and writers

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Lets Claude, Codex or other AI agents tap, type and read the screen on your iPhone or Android phone, or on a rented cloud phone.

Free plan · Developer tools · Individuals and families

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Connects to any SQL database and gives you APIs plus a no-code admin app, used as a headless CMS or backend.

Website builders · Agencies

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Self-hosted tool that turns a folder of HTML into a private site only your coworkers can open, with a built in data store.

Since 2026

Free · Website builders · Software companies

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Mac activity monitor that shows resource use per app rather than per process, keeps twelve months of data and alerts on problem apps.

Since 2026

One-off payment · Developer tools · Individuals and families

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A hosted LLM gateway that meters usage, caps spend and gives your customers a branded billing portal, for teams selling AI products.

Since 2026

Invoicing and billing · 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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Turns a feature idea into a reviewed, approved build plan, then has an agent code it and open pull requests for sign-off.

Free plan · Developer tools · Developers

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Monitors AI agents and LLM apps running live for engineering teams, works out why they break and proposes prompt fixes.

Since 2026

Free · Uptime and monitoring · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

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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One API key and MCP server that gives AI agents search, social and app store data, billed per call with no subscription.

Since 2026

Pay as you go · Marketing and social · Agencies