isUp is described as 'Website/Server monitoring with fast notification via Web, SLACK or E-Mail on issues. What you get: 25 monitors, checked every 15 minutes. Now includes SSL-Certificate validation and port checks. Totally free!' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to isUp, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Linux and Windows apps. The best isUp alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to isUp are UptimeRobot, Pingdom, Instatus and StatusCake.
Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application Monitoring, Cloud Monitoring, and Custom Monitoring.
NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute.
SPFtoolbox is an open-source Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more
Statsignal is the simplest and most cost-effective way to monitor your website or server and publish a status page of your system. No plans, pay as you go. Free monitors available.
🔥 Free & open source under MIT! Über fast, backwards compatible (IE8+), tiny, and simple status page built with Hugo. Compatible with Netlify & GitHub Pages. https://github.com/mistermantas/cstate.
A simple self-hosted status page site with an API written in Django under the BSD license.
Website & Web Application Monitoring
Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective action and see troubling trends, bottlenecks and intermittent issues clearly. We monitor externally, from the end.
RapidSpike is a Digital Experience Monitoring Platform that interacts with your online platforms exactly as your customers do. It collects data across your digital ecosystem to help you improve a fast, reliable digital customer experience.
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM)
Don't lose your customers because your service is down! Monitor your websites and cloud services from multiple geographic locations and receive instant alert when there is downtime or issue. Be proactive and keep your customers happy!.
With webcron you pay per request and you can choose the monitoring frequency to your linking. When your website goes down, webcron can send you either an email or a text message (SMS).
SIMPLE Website monitoring. If your website goes down, shouldnt YOU be the first to know about it?
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