Port Monitor is described as 'Easy and online tool that does website and server monitoring for you 24/7 every 60 seconds and sends you or your co-workers instant email/push notifications when something goes wrong' and is a very popular Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Port Monitor, not only websites but also apps for a variety of platforms, including SaaS, Linux, Windows and Android apps. The best Port Monitor alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Port Monitor are UptimeRobot, Nagios, Pingdom and StatusCake.
Website uptime monitoring. Be notified by email when your site is down. Free and open source, monitor as many URLs as you want. You can hack it and host it yourself or use the official instance.
Free website and server monitoring. Remote website, web server & server monitoring from worldwide locations with SMS & Email alerts.
AgentSlug.com is simple but perspective application to monitor your website. For now, you can find there a full featured uptime monitoring tool. However, the app is developed constantly to provide complementary webmaster tools in the nearest future.
The website monitoring service that doesn't suck. Get an email when your website goes down. Statuses are available by email, web, RSS feeds and widgets.
Shopping Cart Diagnostics will help you monitor your online store for any kind of errors. You can check SEO, E-Mail, Configuration, Availability and more absolutely FREE!!! The powerful reporting system can send immediate email alerts, if your store is down!
Check if website is online by sending a ping to the IP or URL - is it down right now - is it down for me only - is it down for everyone or just me - is it down or up
IsZDown monitors the downtime of thousands of applications, websites, and services across the world including SAAS services, internet, phone, electricity, apps, and websites that go down and apps that aren’t working.
Schezzle provides a simple, flexible way to monitor websites, APIs, network devices, and more. Instead of clicking through templates or predefined rules and status checks, you write Javascript definitions that allow you to make HTTP requests, ICMP pings, and log output.
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