nomoat / Certimon / Alternatives
Alternatives to Certimon
Certimon: Tracks SSL certificates on any number of domains and warns you before they expire via Telegram, Teams, PagerDuty or webhooks. Here are 24 other products that do a similar job. Of these, 17 have a free plan.
- Checkmate
Open-source monitoring you host yourself for websites, servers, containers and SSL, with status pages and alerts.
Free · 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
- 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
- CertPost
Reads the SSL certificate each of your hosts serves and emails warnings before it expires or breaks, for teams and agencies.
Free plan · Uptime and monitoring · Agencies
- 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
- 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
- StatusScout
Watches your site's uptime, SSL expiry, security headers, DNS records and exposed files, and alerts you when one fails.
Free · Uptime and monitoring · Developers
- UptimeBuddy
Check websites, ports, SSL and DNS from your phone and get alerts when a service goes down.
Free · Uptime and monitoring · Developers
- 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
- Xitoring
Watches Linux and Windows servers and website uptime from many locations, finds running services itself and sends alerts.
Free plan · Uptime and monitoring · Developers
- CloudForecast
Sends engineering teams a daily summary of AWS and Azure spending changes by Slack, Teams or email.
Since 2018
Subscription · Uptime and monitoring · Developers
- elmah.io
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
- Flowtriq
Spots DDoS attacks on your servers within a second and triggers firewall, BGP or scrubbing responses.
Since 2026
Subscription · Uptime and monitoring · Developers
- ilert
Sends alerts to on-call staff, handles their rotas and runs status pages so tech teams can respond to outages quickly.
Since 2020
Free trial · Uptime and monitoring · Developers
- IncidentFox
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
- LogClaw
Log monitor that runs in your own cloud, spots incidents and sends alerts with likely causes to Slack or PagerDuty.
Since 2026
Free plan · Uptime and monitoring · Developers
- 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
- Runframe
Runs incidents from alert to postmortem for engineering teams, with on-call rotas, escalations and status pages included.
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
- 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
- changedetection.io
Watches web pages for you and sends an alert when content, prices or stock levels change.
Subscription · Uptime and monitoring
- EarlyNotify
Sends you an alert by email, Slack, Discord, Teams, Pushover or webhook soon after Apple releases an iOS or macOS update.
Since 2025
Free · Uptime and monitoring
- 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