HyperTrack - Build logistics apps that feel like the future
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.
WebEngage - WebEngage’s B2C marketing automation software helps in customer retention & user engagement across all channels with Journey Designer. Get a Demo Now!
Pingbreak - Pingbreak is an original and free monitoring service.
ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
DownDetector - A simple service to tell you whether a website is down.