LogicMonitor vs. Server Density vs. Skylight

LogicMonitor provides the end-to-end visibility needed to maintain the performance and availability of business applications. It leverages automation and built-in intelligence to monitor today's complex and distributed infrastructures.

SaaS-based scalable infrastructure monitoring to help businesses save time and money. With advanced server and website monitoring alerts, graphing tools and integrations with all major cloud service providers.

Skylight is a smart profiler for your Rails apps that visualizes request performance across all of your servers.