Azure Monitor vs Ganglia: What are the differences?
Azure Monitor: Full observability into your applications, infrastructure, and network. It provides sophisticated tools for collecting and analyzing telemetry that allow you to maximize the performance and availability of your cloud and on-premises resources and applications; Ganglia: Scalable distributed monitoring system. Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters.
Azure Monitor and Ganglia can be categorized as "Monitoring" tools.