Pingdom

An easy and online tool that does website monitoring and server monitoring for you 24/7. Record uptime, response times (performance) and downtime causes. Generate your own custom reports. Using Port …

Pingoscope will carefully monitor your website and alert you instantly if it goes down. Unlimited email SMS, Skype, Phone Call notifications, historical response time data, one minute check intervals data …

Provides free real time 24/7 website and server monitoring from geographically distributed servers with personalized Ajax interface, server performance testing, uptime reporting, traffic analysis and alarm...

Cloud management in your pocket! Manage and monitor servers across clouds with any web device.

Website monitoring from CopperEgg tests your websites and web applications every 15 seconds from its global testing stations, improving accuracy and decreasing false alarms. Coupled with CopperEgg server...

With us, your website will always be available and friendly to customers. Around the clock we will watch over your website. In the event of any emergency, problem or error …

Your website early warning system. Get notifications if your website goes offline, starts running slowly or reports errors. Erlywarn is an monitoring service with a wide range of notification options....

Commercial service offering comprehensive website, server, network, logs and application monitoring, statistical analysis, cloud server monitoring, and performance metrics. It also provides load testing as...

Monitor uptime for your websites and servers, the easy way

BinaryCanary.com helps individuals, businesses, associations and agencies that want a consistent, result-driven web presence. With the state of the global recession, BinaryCanary.com's “one-minute...

Monitor 2 websites with 15 min interval for FREE! Checks your website every 15 minutes. Get trouble alerts by email or sms. Instant alert through SMS, email notifications, tweet, feeds …

Free simplest server monitoring. 10 minutes checks interval. Up to 10 services per account for free. Multiple contacts. Availability history. Public status page. Uptime statistics.

Panopta provides advanced server monitoring and outage management services to both enterprises and SMBs. We will be the first to tell you if your infrastructure is down and provide you …

Wormly offers server monitoring, website monitoring and uptime monitoring to keep you online and performing fast. Remote monitoring from outside the firewall alerts you when failures occur, while internal...

Snapmon lets you monitor your servers to make sure everything is running. When a server goes down, you can be notified by SMS Text Message, Email, AIM, or Google Talk.

Monitor Scout is a leading website and server monitoring company, with a wide selection of flexible, high quality services. The reliable web-based system monitors your websites and server 24/7 and …

Website monitoring (HTTP HEAD/GET), service monitoring (TCP socket test), e-mail and URL alerts. Open source at https://github.com/TomHetmer/Runtime

1 minute availability monitoring service for only $4.92/month. Monitoring stations on 4 continents, email, SMS and RSS alerts.