JHeap provides the toolset to help Java developers discover and fix the root cause of memory issues in their applications. JHeap integrates easily with your application server and has been designed to be used in production environments with low overhead.
Allows the ServletExecDebugger to be integrated with your java web projects. This is a plugin for Eclipse. It requires Eclipse (any version) and the ServletExecDebugger (version 3.1/4.1) provided by New Atlanta.
Plugins for Maven 1.x (http://maven.apache.org/maven-1.x/) - manage all aspects of your project (tests, docs, distribution) from a single project descriptor! This project provides plugins that are not bundled with Maven due to differing licenses.
jbytecode is a Java bytecode disassembler/assembler written in Python. Dissasembly code is aligned with Java bytecodes in the class file so modification and re-assembly is always possible, even when class is obfuscated.
JTrack is a logging mechanism for java. It's main purpose is to provide methods to track down method calls. Logging can be shown as indented to reflect actual method calls.
Longenis is a simple, powerful object-oriented scripting language incoporating elements of Python, Tcl, Java, and Lua. It is designed to be light, clean, elegant, and cross-platform.
NetworkTools has 2 components: A protocol analyzer which plays a TCP client or server or pipeline, which sits between a client and server and shows how they communicate. A port scanner can scan a range of IP addresses and ports. See screenshots.
Jassda is a framework that extracts a sequence of method-invokations from a Java application during runtime using the Java Debug Interface (JDI). Jassda provides two modules that operate on the sequence: a logger and a trace-checker
JTestCase uses XML file to organize multi-testcase data and asserting conditions (action and expected result), and provides a set of easy-to-use methods to retrieve test cases out from XML, and asserts results against those expected ones in data file.
WrapLog is a tiny Java logging package that can "wrap" around other logging packages, thus removing the need to stick to a certain one. This is particular useful for Java libraries that want to leave the choice for a logging packing to the client code.
JavaCET is an API wrote in Java that allows to analyze Java source code and libraries, and control its execution and its trace in an integrated and comprehensible object-oriented way. It allows backwards execution.
JLinkCheck is an Ant Task written in Java for checking links in websites. It is not just checking one single page, but crawling a whole site like a spider, generating a report in XML and (X)HTML. JReptator will be its succesor with many more features
To develop a plug-in for eclipse (eclipse.org) allowing for seamless Eiffel Development using the SmartEiffel (smarteiffel.loria.fr) compiler and the ELJ (elj.com) tools.
Java Class and Byte Code verifier. Verifies static class file structure, external references, analyzes operand stack and local variables through byte code execution emulation. Includes CLDC standard verfication.
BeanClipse is a NetBeans plugin for Eclipse: NetBeans runs embedded within the Eclipse platform as a plugin offering the best of both worlds to Java developers.
May be just a joke ;-) ....
Check also it's twin at : http://sf.net/projects/netclipse