No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Monitoro
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
- Pingify
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
- VirtualEyes
Monitors websites, servers, cron jobs, DNS records and SSL certificates, with alerts and public status pages.
Since 2024
Free plan · Uptime and monitoring · Developers
- KIT.domains
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
- WatchCron
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
- changedetection.io
Watches web pages for you and sends an alert when content, prices or stock levels change.
Subscription · Uptime and monitoring
- OnlineOrNot
Checks websites, APIs and cron jobs every 30 seconds and confirms an outage before alerting your team.
Subscription · Uptime and monitoring · Developers
- QueueForge
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
- Domain Locker
Keeps every domain you own in one dashboard and alerts you to expiry dates, DNS and SSL changes.
Free plan · Uptime and monitoring
- OpenUptime
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
- Peekaping
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
- Gonewatch
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
- Phare
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
- Capto
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
- GeoBlock.net
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
- CronAlive
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
- Certimon
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
- Logdash
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
- AlertKick
On-call rotas and escalation that page one engineer at a time, with uptime, SSL and server checks priced per server.
Free plan · Uptime and monitoring · Developers
- cron-job.org
Calls your URLs and scripts on a schedule, down to every minute, and alerts you when a run fails.
Free · Uptime and monitoring · Developers