All-in-one uptime monitoring suite Instant downtime alert Freshping monitors your website every minute & notifies instantl ...

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

Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, App ...

Comprehensive website and web application monitoring:

• simulate a real browser (Firefox) to check performance
• services monitor ...

Hosted status pages with a focus on automation of monitoring and notifications, for keeping your audience informed of uptime i ...

Free Website Monitoring. Be notified when your site is down.

• no UI, we send an email when your site is down

• host it yourself ...

intoDNS checks the health and configuration of DNS and mail servers.

The AppBeat Android app lets you connect to your AppBeat uptime monitoring service from anywhere, anytime. You can view curren ...

Monitors your websites every 5 minutes, totally free. Get alerts by e-mail, SMS, Twitter or RSS. Add up to 50 websites. Monito ...

A simple self-hosted status page site with an API written in Django under the BSD license.

StatusCake enables the visitor to track unlimited websites for free and get alerts when the site is down or having trouble. St ...

HetrixTools' Blacklist Monitor is the quick and simple way to monitor your IPs/Domains and notice if any of them get blacklist ...

StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own stat ...

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

Website monitoring service that offers a comprehensive free plan with:

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