RelayRadar is an operator-focused reliability platform that combines uptime monitoring, incident alerts, and domain intelligence into a single workflow.




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.
RelayRadar is an operator-focused reliability platform that combines uptime monitoring, incident alerts, and domain intelligence into a single workflow.




Reliable, self-hosted website uptime monitor with detailed performance reports, customizable status pages, and automated incident management.



PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.

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.



CrawlRhino SEO Monitor is a website uptime and SEO monitoring tool that tracks downtime, response times, and changes to important SEO elements such as titles, meta descriptions, and headings.



Website health monitoring for agencies, with branded client reports backed by daily uptime, Lighthouse, and visual checks.




Vioro is a privacy-first, EU-native website monitoring platform that tracks uptime, SSL, and CMS vulnerabilities entirely from the outside, requiring zero plugins.

Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

Kikloper is a lightweight monitoring platform for freelancers, developers, and agencies managing multiple websites.




AI-powered website, API & server monitoring with SSL alerts, EC2 control, and performance tracking. Starts free, built for developers & indie hackers.


Centralizes real-time monitoring of servers, containers, Kubernetes clusters, SNMP devices, firewalls, storage, and databases in a user-friendly dashboard with alerts, multi-user support, setup wizard, REST API, customizations, mobile access, and backup options.

Native iOS, iPadOS and watchOS app for monitoring and controlling self-hosted homelab services, with no backend, account, or telemetry.



