Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Segment - We make customer data simple.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
OCS inventory NG - OCS inventory NG is a free software that enables users to inventory IT assets.
Better Uptime - We call you when your website goes down
Moment Timezone - Moment Timezone enables the user to parse and display dates in javascript for any timezone.