Monitor your websites, APIs, and cron jobs. Get email alerts on the free plan, or add Slack, Discord & Telegram on Pro. AI Powered Incident reports and Content change detection, custom status pages, and REST API included.



UptimeRobot is described as 'Monitor up to 50 sites with 5-minute intervals for free. Receive alerts by email, SMS, calls, and integrate with platforms for seamless updates' and is a very popular website monitoring tool in the network & admin category. There are more than 100 alternatives to UptimeRobot for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and Linux apps. The best UptimeRobot alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or Uptime Kuma. Other great apps like UptimeRobot are Pingdom, Tianji, Kener and HetrixTools.
Monitor your websites, APIs, and cron jobs. Get email alerts on the free plan, or add Slack, Discord & Telegram on Pro. AI Powered Incident reports and Content change detection, custom status pages, and REST API included.



SecuryBlack brings together everything you need to keep client infrastructure alive in one place: uptime monitoring for all your client websites, internal server metrics via OxiPulse (open source Rust agent), heartbeat checks for backups and cron jobs, and continuous breach...




Certly monitors SSL certificates, domain registration expiry, and DNS/DNSSEC across all your sites — and alerts you on Slack, Discord, email, or webhook before anything lapses, so you never find out from your customers.




Hybrid observability platform combining code-based tests and AI-driven monitoring. Real-time browser testing, API monitoring, and self-healing tests.




AlertKick is an affordable on-call alerting and incident notification platform built for DevOps engineers at startups and SMBs - a great no-configuration monitoring and security without the enterprise pricing.




A modern, self-hosted status page built with Next.js and Payload CMS. Full flexibility, SMS & email notifications, beautiful dark/light themes.

Koguma extends Uptime Kuma's reach to monitor remote networks that your server cannot access directly. Install locally and report back seamlessly.

Klaxel is a hosted domain-health scorecard built for managed service providers who run domains on behalf of many clients. It watches the signals that silently break a client relationship — email authentication (SPF, DKIM, DMARC), blacklist and reputation status, SSL/TLS...




Ping is a simple uptime monitor that uses your Mac's internet connection. Keep track of the status & speed of websites, APIs, servers, routers or any network device and get feedback directly in your menu bar and via local notifications.




Uptime and error monitoring for websites, APIs, ports, DNS and SSL certificates — instant alerts across 12 channels, grouped error tracking and public status pages, GDPR-compliant.



Ultralight open source server monitoring agent, written in Rust. Ships CPU, RAM, disk and network metrics over OTLP to any compatible backend.
Vioro is a privacy-first, EU-native website monitoring platform that tracks uptime, SSL, and CMS vulnerabilities entirely from the outside, requiring zero plugins.
