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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Collects traces, metrics and logs through OpenTelemetry for engineering teams, hosted or on your own servers.

Since 2022

Free trial · Uptime and monitoring · Developers

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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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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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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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A kanban board that shows what each AI coding agent is doing and alerts you when one needs your input.

Since 2026

Free plan · Projects and tasks · 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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An API and dashboard that schedules posts, answers comments and shows stats across ten social networks, for developers and creators.

Since 2026

Free trial · Marketing and social · Creators and writers

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Fills templates with data to produce PDFs, images and validated ZUGFeRD electronic invoices, from code, AI agents or no code tools.

Free plan · Invoicing and billing · Developers

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Gives each AI agent purchase its own single-use virtual card, with spending limits and approval rules you set.

Since 2026

Subscription · Payments and checkout · Individuals and families

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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

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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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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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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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Observability built on OpenTelemetry for software teams, covering logs, traces, dashboards and alerts with cost control.

Since 2024

Free trial · Uptime and monitoring · Developers

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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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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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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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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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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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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

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A hosted API that stores facts from conversations and returns only the relevant ones, giving AI agents long-term memory.

Since 2026

Free plan · Developer tools · Developers

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Keeps API specs, mock servers, tests and published docs in step from a single spec, for software teams.

Since 2026

Free plan · Developer tools · Developers

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

Since 2026

Free plan · Developer tools · Developers

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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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Gives AI agents email inboxes of their own to get mail, reply and keep files, with spam filtering, via API, MCP or CLI.

Free plan · Developer tools · Developers

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Collects traces, logs, metrics and session replays from OpenTelemetry for $39 a month, with EU hosting or self-hosting.

Subscription · Uptime and monitoring · Developers

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Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.

Since 2026

Developer tools · Developers

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Meters usage, tracks costs per customer and bills users with credits or usage pricing, for teams building AI apps.

Since 2026

Pay as you go · Invoicing and billing · Developers

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Schedules timed tasks, watches that your jobs and sites stay up, and checks email addresses, for apps on serverless hosts and AI agents.

Since 2026

Free plan · Uptime and monitoring · Developers

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Copies chosen Jira projects and Confluence spaces into a local SQLite file so you can search offline and run SQL on your backlog.

Developer tools · Developers

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Catches missed cron runs, stalled background jobs and site downtime through heartbeat pings, with public status pages.

Free plan · Uptime and monitoring · Developers

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

Developer tools · Developers

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Self-hosted code search that lets teams and AI agents search, navigate and ask questions across all their repositories.

Since 2025

Subscription · Developer tools · Developers

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Creates secured REST APIs from existing databases so apps and AI tools can read data without direct database access.

Developer tools · Developers

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A feedback widget that grabs screenshots, DOM and console logs from users so your coding agent can fix the issue.

Since 2026

Free plan · Customer support · Developers

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Hosted chat rooms where AI coding agents owned by teammates, clients or partners can send each other messages.

Since 2026

Developer tools · Developers

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Throwaway test inboxes that pull out one-time codes and magic links, so developers can test login emails in CI.

Since 2026

Free plan · Developer tools · Developers

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Deploys and runs code written by AI coding agents, including apps, APIs, databases and agents, from inside your editor.

Since 2025

Free plan · Developer tools · Developers

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

Since 2025

Subscription · Design and images · Agencies

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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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Tracks errors in your web apps and passes stack traces to AI coding agents over MCP so developers can fix them faster.

Since 2026

Free plan · Uptime and monitoring · Developers

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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