NetBeans Profiler
- A project to provide a full-featured profiling functionality for the NetBeans IDE is presented with features, screenshots, testimonials, and documentation.
- http://www.netbeans.org/products/profiler/

Develop WAP applications with Java servlets and JavaServer Pages
- An Article reviewing the GUI-based tool PerfAnal for analyzing the performance of applications on the JavaTM 2 Platform. By Nathan Meyers.
- http://java.sun.com/developer/technicalArticles/GUI/perfanal/

jProf
- Helps identify excessive processor usage, memory usage, and synchronization in Java programs. Written in C++; available for Solaris & NT 4.0. The JVM must support JVMPI. [Open Source, GPL/LGPL]
- http://perfinsp.sourceforge.net/jprof.html

Java Performance TestClient
- A tool for testing the performance of Java code by runinng a specific part of code many times by a different number of threads. It comes with a Swing GUI for graphical configuration and result representation. [Open Source, GPL]
- http://sourceforge.net/projects/jptc/

JProbe
- 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]
- http://www.quest.com/jprobe/

ProfileViewer
- 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]
- http://www.ulfdittmer.com/profileviewer/index.html

Eclipse Profiler Plugin
- A plugin for the Eclipse platform which allows Java code profiling. [Open source, Common Public License]
- http://sourceforge.net/projects/eclipsecolorer

YourKit
- A CPU and memory Java Profiler with J2EE/J2ME support, 64 Bit capability and IDE integration for various major Java IDEs. [Commercial, trial version]
- http://www.yourkit.com/

Enerjy Software
- A suite of software tools for Java developers to provide code analysis, and profiling for memory, performance and thread deadlocks. [Commercial]
- http://www.enerjy.com

cvprof
- Java coverage profiler to report what parts of code were not executed; during unit testing, for example. It is a rewrite of JVMDICover. [Open source, LGPL]
- http://www.badgers-in-foil.co.uk/projects/cvprof/

jProf Viewer
- Viewer for the old files created by the old java profiler (-prof). [Open source, LGPL]
- http://jprofviewer.sourceforge.net/

Cougaar Memory Profiler
- 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]
- http://profiler.cougaar.org/

Mike's Java Profiler
- A performance profiler for Java programs. It collects statistics about accumulated CPU time used by each stack frame in the profiled program and presents the collected data in a GUI. [Open source, GPL]
- http://mjp.sourceforge.net/

JProfiler
- 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]
- http://www.ej-technologies.com/products/jprofiler/overview.html

JavaTreeProfiler
- JVMPI-based profiler with microsecond resolution and XML output. [GPL]
- http://jcoverage.sourceforge.net/

HPjmeter
- Platform-independent tool from Hewlett Packard which helps detect performance bottlenecks by graphically displaying profiling data. [Freeware]
- http://www.hp.com/products1/unix/java/hpjmeter/index.html

GCViewer
- Displays graphically statistics about the garbage collection activity during a program run. [Open Source, LGPL]
- http://www.tagtraum.com/gcviewer.html

Extensible Java Profiler (EJP)
- A profiling tool for Java with a scalable and extensible architecture, allowing its usage for exotic programming languages that use a Java backend. [Open source, GPL]
- http://ejp.sourceforge.net/