Zabbix - Track, record, alert and visualize performance and availability of IT resources
VisualVM - VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...
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.
ANTS Memory Profiler - ANTS Memory Profiler is a .
Prometheus - An open-source systems monitoring and alerting toolkit.
JConsole - Provides information about performance and resource consumption for Java applications.