Port Monitor

rhealth.dev is an uptime monitoring platform designed to reduce alert noise and speed up incident response. It monitors websites, APIs, cron jobs, TCP services, and internal systems from up to 40 global locations, confirming failures across regions before alerting. This eliminates false positives caused by temporary or local network issues. Unlike traditional monitoring tools that only say “down,” rhealth.dev sends actionable alerts with exact failure reasons such as timeouts, connection errors, slow responses, or content mismatches. Key capabilities 1. Website & API uptime monitoring 2. Response time and performance tracking 3. SSL certificate expiry alerts 4. Keyword and partial-failure detection 5. Cron job & background task monitoring 6. TCP and database port checks 7. Private network monitoring using Docker-based checkers Free plan includes 1. 20 monitors 2. Unlimited team members 3. Unlimited status pages 4. No credit card required

Oh Dear monitors the health of every website a team manages. Oh Dear checks uptime every minute from multiple locations and monitors SSL certificates, DNS records, domain expiration, scheduled tasks, broken links, mixed content, performance, Lighthouse, APIs, application health, ping, TCP ports, sitemaps, DNS blocklists and exposed ports. Oh Dear sends alerts through email, Slack, Microsoft Teams, PagerDuty, Opsgenie and webhooks. Oh Dear includes branded status pages, client-ready reports, unlimited users and every monitoring feature on every plan. Oh Dear also includes AI-powered checks and SSO. Mattias Geniar and Freek Van der Herten founded Oh Dear in Belgium in 2018. Oh Dear stores monitoring data in the EU and supports GDPR requirements. Oh Dear offers a 10-day trial with every feature and requires no payment information.