UptimeRobot Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(s), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or... Freemium Web Public Status Page Uptime Monitoring Support for Let's Encrypt Add a feature 76 Like
Pingdom Pingdom is a service for testing performance of website. Enter a URL to test the load time of that page, analyze it and find bottlenecks. Commercial Web Android iPhone Performance Monitoring Transactional Monitoring Uptime Monitoring Add a feature 54 Like
PHP Server Monitor PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your... Free Open Source Windows Linux BSD Self-Hosted PHP Uptime Monitoring Add a feature 15 Like
StatusCake StatusCake enables the visitor to track unlimited websites for free and get alerts when the site is down or having trouble. StatusCake also tracks performance over time... Freemium Web Network Monitoring Uptime Monitoring Add a feature 36 Like
Cabot Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty. Free Open Source Self-Hosted No features added Add a feature 9 Like
NIXStats SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development. Freemium $ $ $ Web Uptime Monitoring Computer monitoring Downtime detection Performance Monitoring ... Uptime Monitoring Add a feature 6 Like
Site24x7 Comprehensive website and web application monitoring: * simulate a real browser (Firefox) to check performance * services monitoring (FTP(S), DNS, PING, TCP, SSL... Freemium Web IT Automation Uptime Monitoring Add a feature 8 Like
Is It Down Right Now? "Is It Down Right Now" monitors the status of your favorite web sites and checks whether they are down or not. Check a website status easily by using the below... Free Web Uptime Monitoring Add a feature 9 Like
Binary Canary Website monitoring service that offers a comprehensive free plan with: * escalation levels (if a first-responder contact doesn't acknowledge the downtime, another... Commercial $ $ $ Web Uptime Monitoring Add a feature 4 Like
Monitis Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application Monitoring, Cloud Monitoring, and... Freemium Web Network Monitoring Uptime Monitoring Add a feature 22 Like
Nodeping NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute. Commercial Web No features added Add a feature 3 Like
Port Monitor Port Monitor is an 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... Freemium Web Uptime Monitoring Add a feature 125 Like
Dotcom-Monitor Website & Web Application Monitoring Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective... Commercial Web No features added Add a feature 9 Like
PushMon PushMon is a new kind of cloud-based monitoring system. Instead of checking public facing servers on a regular basis, PushMon will wait for pings from the objects being... Freemium Web No features added Add a feature 7 Like
RapidSpike RapidSpike is an uptime and performance monitoring service for websites and web applications. Monitor, measure and test your digital platform eco-system from one... Commercial Web Real User Monitoring Uptime Monitoring Public Status Page Supports SSL certificate Add a feature 7 Like
