Healthchecks.io - Monitor your cron jobs and scheduled tasks, get notified when they fail.
Zeetaminds - Zeetaminds offers cloud based digital signage software with live social media integration.
Pingbreak - Pingbreak is an original and free monitoring service.
ScreenCloud - ScreenCloud is a simple, cloud-based Digital Signage software solution that makes it easy to display video, images and content on screens.
DownDetector - A simple service to tell you whether a website is down.
Embed Signage - Multi-platform Digital Signage Software that's quick to learn and powerful to use. Packed with features, simple to use and wide range of device platform support. A better way to manage your Digital Signage.