JDasm is a library written in java to easily manipulate Java class files. It gives you the ability to load a class file and modify it or write a new one from scratch; you can inspect it, edit or export any part of the class file and import it into anothe
Chasm-interop is a set of tools that parses C++ and Fortran 90 source files and automatically generates bridging code to provide for seamless language interoperability.
Haggler supports the definition, documentation, and implementation of class invariants and method pre-conditions and post-conditions through Java5 annotations.
The project tries to extend the basic Hotswap support in the current JVM and allows developers to add/remove instance fields and methods and replace the new class in a running JVM, thus saving huge time incurred in restarting the JVM for every change.
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ECCO is a web-based IDE. In other words is an online development environment with file manager, console interface for compiling and execution of code and an editor with syntax highlighting, tabs and support for many languages and accessed with a browser
The SrcML Framework allows converting Sourcecode to a XML representation on which tools can then be used to deduce statical data for analyzing and visualizing the initial source. It also provides easy ways to write programs which modify other programs.
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.
C-style, ANT/cmdline preprocessor for java, xml and other files. Designed to run smoothly with IDEs and tools - all directives occur in comments specific to the file's type, making it syntactically valid. Line numbering (debug messages!) is preserved.
The CCC Language is yet another programming language. It is platform-independent, compact, and robust. Supports many SQL engines, has own ISAM DB engine, has terminal mode and more UI-s, is object-oriented, but it is compiled and not interpreted.
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.
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.
BigNumbers provides the tools to make (normally unreadable) BigDecimal calculations in Java easy. It allows you to express decimal calculations in a friendly way; BigNumbers will in turn take your expressions and turn them into BigDecimal calculations.
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
Netflow analyzing tools :
JXColl - collector for Netflow (or XML specified) data
Analyzer - front-end application for providing an user interface and output (graphs, statistics, etc.)
JSTP is a light-weight template language for Java; a JSTP page is translated into a plain java class at build time and there is no runtime dependencies. JSTP borrows most syntax and semantics from JSP to steal IDE supports.
Tools for enforcing projects architecture specifications. Identification of "patterns" based on nomenclature rules. Validation of conformance to architecture rules. Query-based investigation. Statistics. Metrics.
Javadoc2Help is a java based command line tool for converting the javadoc generated html output to Java Help, HTML Help(chm) and Oracle Help for Java(OHJ)
GNUDE is a complete suite of GNU C, C++, Fortran, and Java Cross Compilers, and the GDB CPU Simulator and Debugger for embedded microprocessor applications development. Targets development for ARM7, ARM9, and XScale applications.