UptimeBoss is a hosted uptime monitoring platform with remote agents, heartbeats, incidents, maintenance windows, and public status pages.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)




Oh Dear is described as 'Is website monitoring software for whole-site website health, not just the homepage' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Oh Dear, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Android and iPhone apps. The best Oh Dear alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Oh Dear are Better Stack, UptimeRobot, Pingdom and Monytra.
UptimeBoss is a hosted uptime monitoring platform with remote agents, heartbeats, incidents, maintenance windows, and public status pages.




updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.


Check your domain’s health in seconds. Domain Comfort scans SSL, DNS, and email setup for issues. It's built for calm, fast, and reliable monitoring.




Free uptime monitor with health scoring, anomaly detection, rich incident logs, push notifications, Discord & Slack webhooks, and public status pages.




Global website monitoring: 5 monitors included, 60-second checks, 70+ locations. Uptime, latency, SSL, DNS & more with instant alerts.



Aepto is an AI domain monitoring platform that centralizes all your domains in one place and continuously monitors renewals, email, hosting, security, uptime, and costs with early alerts and clear guidance.




Distributed uptime monitoring with multi-region consensus to eliminate false alerts. Modern alternative to legacy monitoring tools.

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...




Simple, EU-hosted monitoring for APIs, websites and cron jobs — PingMon catches anomalies even when the status still says 200 OK, and an AI explains what actually broke.




EU-hosted AI observability platform. Monitor LLM costs, latency, and compliance in one platform. GDPR and AI Act compliant.

Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
CertWatch is a self-hosted TLS monitor that ships as a single Go binary with SQLite - no database server, no agents, no telemetry.
