A robust web application for monitoring website uptime, performance, and SSL certificate expiration. Simple Site Monitor provides an easy-to-use dashboard to track the health of your websites in real-time.




LegitUptime is described as 'Receive instant alerts when your website or service goes down' and is a website monitoring tool in the network & admin category. There are more than 25 alternatives to LegitUptime for a variety of platforms, including Web-based, SaaS, Self-Hosted, Docker and Android apps. The best LegitUptime alternative is Uptime Kuma, which is both free and Open Source. Other great apps like LegitUptime are Better Stack, UptimeRobot, Pingdom and Monytra.
A robust web application for monitoring website uptime, performance, and SSL certificate expiration. Simple Site Monitor provides an easy-to-use dashboard to track the health of your websites in real-time.




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

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.

Sentinel provides a centralised location in which you can see Domain, SSL and DNS information - all whilst checking that your SLAs are being met. Don't let your customers inform you that something is wrong because you didn't know.

Standard uptime monitors like UptimeRobot only tell you if your server is turned on (returning a 200 OK status). But what happens when a bad plugin update breaks your "Add to Cart" button? Your server stays online, your monitor stays green, and you silently lose sales.




Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
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.



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


Hosted website and server monitoring that detects downtime, visual regressions, SSL issues, DNS changes, performance slowdowns, and content changes.

Uptime monitoring and public status pages for indie SaaS founders - 1-minute checks, Slack/Discord/Telegram alerts, and custom domains. Free to start.
Oack replaces three separate tools — uptime monitoring, incident management, and status pages — with a single platform built for engineering teams.




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



