System Administration - Application Softwares

WebService Testing
==================
SoapUI
http://www.soapui.org/


Database
=========
DbVisualizer
http://www.dbvis.com/


Network
========
WireShark
http://www.wireshark.org/

TracePlus
http://www.sstinc.com/

Java
=====
VisualVM
http://java.net/projects/visualvm

Jensor
http://jensor.sourceforge.net/

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

YourKitProfiler
http://www.yourkit.com/

and much more http://java-source.net/open-source/profilers


Java Heap Analysis
==================
Eclipse Memory Analyzer
http://wiki.eclipse.org/index.php/MemoryAnalyzer

HeapAnalyzer
http://www.alphaworks.ibm.com/tech/heapanalyzer

IBM Thread and Monitor Dump Analyzer for Java
http://www.alphaworks.ibm.com/tech/jca

Samurai
http://yusuke.homeip.net/samurai/en/index.html
- Picks up thread dumps from std/stderr output and visualize them.
- Visualizes "-verbose:gc" logs.

JMS
====
HermesJms
http://www.hermesjms.com/


Others (Java)
=============
If you are running the java application as a service then you will need a tool to send a SIGINT signal to the JVM.
http://www.latenighthacking.com/projects/2003/sendSignal/


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