BizTalk360 - BizTalk360 is a web based production support/monitoring tool for Microsoft BizTalk Server.
Blumira - Blumira's threat detection platform offers both automated threat detection and response, enabling organizations of any size to more efficiently defend against cybersecurity threats in near real-time.
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
Google StackDriver - Stackdriver provides monitoring services for cloud-powered applications.
mackerel.io - mackerel.io is a server and application performance monitoring platform.
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.