cPanel - With its first-class support and rich feature set, cPanel & WHM has been the web hosting industry's most reliable, intuitive control panel since 1997.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Salesforce Platform - Salesforce Platform is a comprehensive PaaS solution that paves the way for the developers to test, build, and mitigate the issues in the cloud application before the final deployment.
Prometheus - An open-source systems monitoring and alerting toolkit.