No moat. Still in business.

0

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

0

Watches web pages for changes and sends alerts or scraped data to Slack, Discord, Telegram or Google Sheets without code.

Since 2019

Free plan · Uptime and monitoring

0

Watches your sites, certificates, DNS records and scheduled tasks around the clock and tells your team as soon as something fails.

Since 2024Updated 4 months ago

Subscription · Uptime and monitoring · Developers

0

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

0

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

0

Monitors websites, servers, cron jobs, DNS records and SSL certificates, with alerts and public status pages.

Since 2024

Free plan · Uptime and monitoring · Developers

0

Tracks domain renewals, SSL certificates and DNS records for many sites and alerts you before something lapses or breaks.

Since 2024

Subscription · Uptime and monitoring · Agencies

0

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

Free plan · Uptime and monitoring

0

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

0

Alerts you when a cron job misses its ping or a site, certificate or domain has a problem, with status pages included.

Free plan · Uptime and monitoring · Agencies

0

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

0

Watches web pages for you and sends an alert when content, prices or stock levels change.

Subscription · Uptime and monitoring

0

Checks websites, APIs and cron jobs every 30 seconds and confirms an outage before alerting your team.

Subscription · Uptime and monitoring · Developers

0

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

Uptime and monitoring · Developers

0

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

0

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

0

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

0

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

0

Watches dead letter queues in RabbitMQ and Kafka, alerts on stuck consumers or spikes, and lets engineers replay failed messages.

Since 2026

Uptime and monitoring · Developers

0

Keeps every domain you own in one dashboard and alerts you to expiry dates, DNS and SSL changes.

Free plan · Uptime and monitoring

0

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

0

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

0

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

Subscription · Uptime and monitoring · Agencies

0

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

0

Open source uptime checks, alerts and public status pages that you or an AI agent can manage, with no charge per monitor.

Free plan · Uptime and monitoring · Developers

0

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

0

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

Free plan · Uptime and monitoring · Agencies

0

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

0

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

0

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

0

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

Free plan · Uptime and monitoring · Agencies

0

Watches websites and APIs, alerts you on several channels, tracks incidents and hosts status pages, all from an independent EU company.

Since 2025

Free plan · Uptime and monitoring · Agencies

0

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

0

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

0

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

0

Checks whether your website can be reached from 43 countries and alerts you by Telegram, Slack or email when it is blocked.

Since 2025

Subscription · Uptime and monitoring

0

Watches scheduled jobs and websites by waiting for a ping from each run, then alerts you on Telegram or Slack when one is late.

Free plan · Uptime and monitoring · Developers

0

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

Free plan · Uptime and monitoring · Agencies

0

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

Free plan · Uptime and monitoring · Agencies

0

Tracks SSL certificates on any number of domains and warns you before they expire via Telegram, Teams, PagerDuty or webhooks.

Since 2025

Free · Uptime and monitoring

0

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

0

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

0

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

0

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

0

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

Uptime and monitoring · Online sellers

0

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

0

Checks your site is up, sends alerts to Telegram or a webhook, and adds logs, metrics and a public status page.

Since 2025

Free plan · Uptime and monitoring · Developers

0

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

Since 2026

Uptime and monitoring · Developers