StatusCake

Simple website monitoring with a pay-as-you-go pricing model. Will monitor sites between 1 minute and 1 hour. Monitors http, https and ping.

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 …

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 …

A powerful dedicated service that enables server and website administrators to check the performance of websites, application servers, databases and mail servers. Global server monitoring is a perfect solution...

WebSitePulse is a leading provider of advanced, independent and remote monitoring services that enable clients to increase the efficiency of their mission-critical e-business operations, and to reduce their...

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

Automatically check your website's uptime, performance & quality with Simonbot. Be the first to know if something is going wrong with your website, get results, analyse them and find bottlenecks. …

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

Webmon is a Realtime Website Monitoring and Escalation Service. Webmon is a website availability monitoring and escalation service that allows you to monitor your online services and get notified upon...