A CPU and memory Java Profiler with J2EE/J2ME support, 64 Bit capability and IDE integration for various major Java IDEs. [Commercial, trial version]

An all-purpose Java profiling suite targeted at J2EE and J2SE applications. It features CPU profiling, memory profiling, thread profiling and VM telemetry information. [Commercial, trial version]

A project to provide a full-featured profiling functionality for the NetBeans IDE is presented with features, screenshots, testimonials, and documentation.

A set of tools that are useful in profiling and working with Java systems. The suite includes a profiler and threadalyzer, as well as tools for profiling server performance remotely. Trial version of some tools are available. [Commercial]

JVMPI-based profiler with microsecond resolution and XML output. [GPL]

A Java memory profiler using bytecode instrumentation. The profiler is written entirely within Java (no JVMPI/JNI) and can be configured to minimize profiling overhead. [Open Source]

Displays graphically statistics about the garbage collection activity during a program run. [Open Source, LGPL]

Reads profiling information output by Sun's heap profiler (invokable by a command-line option of the java interpreter) and displays it for easy interpretation. [Open Source, GPL]

An Article reviewing the GUI-based tool PerfAnal for analyzing the performance of applications on the JavaTM 2 Platform. By Nathan Meyers.

A suite of software tools for Java developers to provide code analysis, and profiling for memory, performance and thread deadlocks. [Commercial]