PagerDuty - Cloud based monitoring service
Microsoft Operations Management Suite - Microsoft Operations Management Suite enables user to gain visibility and control across the hybrid cloud with simplified operations management and security
VictorOps - We make on-call suck less & help teams to solve problems faster.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
xMatters - xMatters transforms event data into intelligent communication IT teams, avoiding outages and disruptions
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.