HEATKEYS

Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

New Relic RPM is an on-demand web performance monitoring solution that lets you see and understand application performance of Java, .NET, PHP, Ruby, JRuby, and Rails applications in real time. Whether you?re interested in Rails monitoring, Java monit...

FREE monitoring software, website monitoring, application and software monitoring tools. All-in-one FREE monitoring software and tools from Monitor.Us

Remote web server and website monitoring with instant alerts via SMS, e-mail, and phone when your website becomes unavailable. Real-time monitoring reports and diagnostic tools help you minimize website downtime. Global worldwide monitoring locations...

Siteuptime provides website monitoring services. Receive instant email notices when your website becomes unavailable and view detailed uptime statistics and performance reports for your website monitors.

Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime and downtime.

Server Monitoring and Cloud Monitoring by CopperEgg provides real-time visibility into server performance and website uptime. Monitor Linux, Windows, Amazon EC2, Rackspace and more.

Free 15 minute, or paid 1 minute monitoring service - Website monitoring, Server monitoring, Email monitoring, router monitoring by BinaryCanary.com

Social Media news blog covering cool new websites and social networks: Facebook, Google, Twitter, MySpace and YouTube. The latest web technology news, via RSS daily.

Web site and server monitoring service: monitor uptime, performance and security of your web page, server, router and more from worldwide monitoring stations. Receive phone call, SMS, e-mail or instant message alerts.

Websites, Servers, Network, Application Monitoring On-demand

Nagios is the industry-standard in IT infrastructure monitoring. Nagios provides enterprise-class Open Source monitoring of hosts, services, applications, and networks. Learn why organizations around the world trust Nagios to handle their IT infras...

Server monitoring. CPU, memory, disk, network, Apache, MongoDB, MySQL + more. E-mail/SMS alerts. iPhone/Android server monitoring apps.

Remote website, web server & server monitoring from worldwide locations with SMS & Email alerts.