Mac users interested in Visualvm on apple generally download:
A tool for monitoring and troubleshooting Java applications. It is compatible with Oracle/Sun JDK 6 and can monitor applications running on JDK 1.4 and higher. It utilizes various technologies such as jvmstat, JMX, the Serviceability Agent (SA), and the Attach API to gather data, automatically selecting the fastest and most lightweight option to minimize impact on the monitored applications.
