No moat. Still in business.

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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

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A WordPress plugin that takes daily screenshots of chosen pages and flags visual changes after core or plugin updates.

Free plan · Uptime and monitoring · Agencies

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Platform for AI teams to trace, simulate and evaluate their LLM agents and keep track of model spend.

Uptime and monitoring · Developers

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Open-source error tracker that ranks frontend bugs from errors and session replays and opens fix pull requests on GitHub.

Since 2024

Uptime and monitoring · Developers

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WordPress plugin that alerts you in Slack, Discord or email when posts change, users sign up or plugins update.

Free plan · Uptime and monitoring

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Sends messages from your scripts, servers or webhooks straight to the Pocket Alert app on your iPhone or Android phone.

Since 2024

Free plan · Uptime and monitoring · Developers

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WordPress plugin that times your server's processor, RAM, database, disk and network to rate your host, on demand or on a schedule.

Uptime and monitoring

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Scans your code for the AI models it calls and warns before any are deprecated or retired, with suggested replacements.

Since 2026

Free plan · Uptime and monitoring · Developers

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Alerts you when a cron job, worker or container stops checking in, and attaches its last log lines to the alert.

Since 2026

Free plan · Uptime and monitoring · Developers

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Checks every plugin and theme on a WordPress site before a PHP upgrade and explains plainly which ones are ready or need work.

Free · Uptime and monitoring · Agencies

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A status page and endpoint monitor you install on your own server, with incident updates by email and Slack.

Free · Uptime and monitoring · Developers

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An AI agent that looks into production alerts, finds the likely root cause and prepares fixes for engineering teams.

Since 2026

Free plan · Uptime and monitoring · Developers

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Dashboard for agencies and freelancers to update, back up, monitor and report on many WordPress client sites at once.

Subscription · Uptime and monitoring · Agencies

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Re-tests your site in a real browser after changes and keeps checking checkout, speed, search and security, then suggests what to fix.

Free plan · Uptime and monitoring · Online sellers

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Uptime checks for sites, APIs, databases and queues you run on your own server, with alerts and public status pages.

Free · Uptime and monitoring · Developers

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Mac app that pulls builds, deploys, pull requests and errors into one small inbox and hands fixes to a coding agent.

Since 2026

Free plan · Uptime and monitoring · Developers

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Scans websites for accessibility, SEO and speed problems, aimed at agencies, and pushes issues into Jira.

Free plan · Uptime and monitoring · Agencies

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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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Runs automations that triage production errors, watch deploys and answer support questions for software teams.

Since 2026

Uptime and monitoring · Developers

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A free status page and uptime monitor you run in Docker, with incident updates, maintenance plans and subscriber notices.

Free · Uptime and monitoring · Developers

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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers

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Records what happens on your WordPress sites in a hosted log and sends alerts by email or Slack, built for agencies.

Free trial · Uptime and monitoring · Agencies

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An AI agent for on-call engineers that triages alerts, finds the root cause and proposes code fixes with reproduction tests.

Since 2026

Uptime and monitoring · Developers

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Observability for logs and traces that answers questions in Slack and drafts fix pull requests when alerts fire.

Since 2026

Free plan · Uptime and monitoring · Developers

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Logs every LLM call with cost, latency and agent traces once you change one base URL; hosted or self-hosted.

Free plan · Uptime and monitoring · Developers

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Get an alert by email, Slack or SMS when your WordPress site throws an error, with the plugin, page and backtrace that caused it.

Free plan · Uptime and monitoring · Agencies

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A dashboard that organises the services in your homelab and checks they are up, self-hosted or run for you in the cloud.

Uptime and monitoring · Individuals and families

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Checks websites and APIs from several regions, alerts whoever is on call and runs a public status page.

Free plan · Uptime and monitoring · Agencies

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Self-hosted dashboard that lets agencies update, back up, secure and report on all their client WordPress sites.

Free plan · Uptime and monitoring · Agencies

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Open-source monitoring you host yourself for websites, servers, containers and SSL, with status pages and alerts.

Free · Uptime and monitoring · Developers

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Product analytics for web and mobile apps with session replay, funnels, heatmaps and crash tracking from a small SDK.

Since 2026

Free plan · Website analytics · Developers

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Dashboard for agencies to update, back up, scan and monitor many WordPress and Joomla client sites from one place.

Free plan · Uptime and monitoring · Agencies

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Self-hosted on-call paging that pulls commits, logs and metrics when an alert fires and explains the likely cause.

Free · Uptime and monitoring · Developers

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An AI on-call helper that looks through logs, metrics and code to find why production broke and suggest fixes.

Since 2026

Free plan · Uptime and monitoring · Developers

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Dashboard for email sent through Amazon SES showing bounces, deliveries, complaints, opens and clicks, run yourself or hosted.

Free · Transactional email · Developers

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Runs test submissions on WordPress forms and WooCommerce checkouts and alerts site owners when one breaks.

Uptime and monitoring · Online sellers

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Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.

Since 2026

Subscription · Uptime and monitoring · Developers

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Mac app for checking and managing Linux servers: stats, services, Docker, files and cron jobs through a visual interface.

Since 2025

Free plan · Uptime and monitoring · Developers

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Cookieless website analytics that reports human and bot traffic apart and checks whether your site is up.

Free plan · Website analytics

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Shows PHP, MySQL and server stats in the WordPress admin, with labels for staging and live sites.

Free plan · Uptime and monitoring · Agencies

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Scans websites for accessibility problems and helps teams and agencies track fixes and report progress.

Free plan · Uptime and monitoring · Agencies

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WordPress plugin that checks server health, PHP compatibility and updates, and produces audit reports for site owners.

Free plan · Uptime and monitoring · Agencies

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Monitors Linux and Windows servers, network devices, websites and cron jobs from one dashboard using a small agent.

Subscription · Uptime and monitoring · Agencies

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Learns from incidents your team already fixed and answers repeat outages in Slack with a runbook you can run.

Since 2024

Uptime and monitoring · Developers

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Self-hosted panel where agencies and freelancers update, back up and monitor all their WordPress sites in one place.

Free plan · Uptime and monitoring · Agencies

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A Slack bot that answers new alerts with notes on how your team fixed similar incidents before.

Since 2025

Free plan · Uptime and monitoring · Developers

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An agent on each Docker host sends container logs and metrics to one dashboard, for developers running their own servers.

Since 2025

Uptime and monitoring · Developers

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Open-source uptime monitor you run yourself, checking sites, ports, DNS and SSL, with status pages and alerts.

Since 2025

Free · Uptime and monitoring · Developers