Uptime Check Hosting Server Site Monitoring
Pingdom
http://pingdom.com
A free account that lets you monitor one website and includes 20 SMS alerts. 44HostTracker Website Uptime Monitoring Service
http://host-tracker.com
They have several monitoring points all over the world. Once you are registered with the service and the parameters of the monitoring are set, their system starts checking the specified resource periodically, and, should an access error occur, your site will be checked by all other monitoring points; should these attempts fail, you will immediately be notified of the problem by an e-mail or SMS message. 47
SiteUptime
http://www.siteuptime.com
Website Monitoring Service - Site Uptime 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. website monitoring, web server monitoring, website uptime. 52InternetSeer
http://www.internetseer.com
Web Site Monitoring Service. 60 Minute Checking Free. 53Netcraft Uptime Survey
http://uptime.netcraft.com
Netcraft Web Server Query Form. They report a site's operating system, web server, and netblock owner together with, if available, a graphical view of the time since last reboot for each of the computers serving the site. Uptime data. 47Server Check Pro Free Sample
http://www.netmechanic.com/products/SCP_FreeSample.shtml 51WebSitePulse
http://www.websitepulse.com
Web server & web site monitoring services by WebSite Pulse. 53Monitis
http://portal.monitis.com 55Service Uptime - Free Website Monitoring Service
http://www.serviceuptime.com
Whenever your website becomes inaccessible or returns incorrect data the ServiceUptime alerts you within seconds of the event via email or SMS. Be notified instantly once your site becomes inaccessible! 56mon.itor.us - FREE website monitoring
http://mon.itor.us 61BasicState
http://basicstate.com
free web site uptime monitor service. 64IP Patrol
http://www.ippatrol.co.uk
They monitor your servers and inform you instantly when they are down. 66
Nagios
http://www.nagios.org
Nagios is an open source host, service and network monitoring program. 53ZABBIX : An Enterprise-Class Open Source Distributed Monitoring Solution
http://www.zabbix.com 55Uptime Software
http://www.uptimesoftware.com
Server Monitoring Software - Server Uptime, Monitoring Tools, Graphical Server Monitoring Software. 62Website Monitoring Software
http://www.exclamationsoft.com/webwatchbot/default.asp
Server Monitor Transaction Performance Web Downtime Uptime Network Management. 64
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