Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web page ...

ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It w ...

Statusdroid operates a worldwide network of servers which checks your website every 30 seconds from over 15 worldwide location ...

Monitive delivers reliable, simple, efficient monitoring services for websites, MySQL, FTP, POP3, IMAP, DNS and many other. Al ...

Netthrob’s servers take their job very seriously. They buzz vigorously from five strategic locations across the world and trac ...

Site down outage and downtime reports from SiteDown.co

Monitoring for your website or web application is conducted from over 30 locations around the globe. This global network ensur ...

Website & Web Application Monitoring Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnost ...

NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as onc ...

Curler is a simple uptime monitoring tool for your website. 🏓 It will check your site once per 10 minutes and let you know if ...

Keep track of your servers and website performance and uptime. Pingniner comes fully packed with all the features you need to ...

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

You can monitor up to 5 URLs with 1-minute monitoring interval, for FREE!

Free & Simple website monitoring

Get a Direct Message on Twitter when your websites are down. It's free, really free Our g ...

Website monitoring service that offers a comprehensive free plan with:

• escalation levels (if a first-responder contact doesn' ...