(commercial) NetCharts Pro is a set of industrial strength graphical components intended for Java developers. NetCharts Pro enables complete control over the graph presentation and behavior in a servlet or client-side Java application context. hot
a Java implementation of XML-RPC, a popular protocol that uses XML over HTTP to implement remote procedure calls
ArrowHead ASP Server
a 100% Java VBScript scripting engine. ArrowHead aims to support ASP 3.1
Cernunnos embodies software industry best practices based on innovative design principals. It dramatically reduces time and effort in Java development by effectively promoting reuse in common programming tasks.
dao-zero is a tiny Java bean used to reduce the source of a persistence tier based on Spring's iBatis support.
DeDoc translates JavaDoc into Java interface code.
a suite of applications that analyze Java code beyond that detected by standard compilers and documentation generators
Drools is a Rules Engine implementation based on Charles Forgy's Rete algorithm tailored for the Java language. Adapting Rete to an object-oriented interface allows for more natural expression of business rules with regards to business objects. Drools is written in Java, but able to run on Java and .Net.
DynamicJava is a Java source interpreter. It executes programs written in Java (as described in the Java Language Specification) with support for scripting features.
EJB Benchmark provides some objective basis for the hard design decisions every EJB development team has to make. It is a study comparing the relative performance of six EJB design idioms.
a fully functional Certificate Authority using J2EE technology. EJBCA builds on the J2EE platform to create a robust, high performance, platform independent, flexible, and component based CA to be used standalone or integrated in any J2EE app
Enterprise Object Broker: an alternative to EJB. It is the same idea but making the difference between remote and local objects nearly invisible. Make your object model from normal Java interfaces and code an impl that fits it
eStruts is a tool that automatically generates Struts applications and JSP pages with action forms, form beans, and other elements that form the skeleton of a Web application.
a source code generator which generates java classes and XML schemes from an XML description of a class (including "since" and "deprecated" tags). The classes are backward compatible with all older versions. The main purpose of this is to allow the modification of a distributed application (without modifying all clients at the same time). Since the interface of older clients remains compatible you can track the versions of clients still in use and keep your business logic compatible with older releases
provides free fast, lightweight implementations of the java.util Collections API
an extension of AbstractAction which uses JOptionPane to display an
Grammidity is a Java based framework for evolutionary programming based on grammars. It can be used to evolve solutions to problems, or to evolve "objects" under user control.
Groovy Java Genetic Programming
an open-source Java implementation of a strongly-typed Genetic Programming experimentation platform
IDAutomation Java Barcode Package
IDAutomation Java Barcode Package contains JavaBeans, applets, class libraries, and servlets for using barcodes in Java. It supports linear and 2D barcode types including Code 128, Code 39, ITF, UPC, EAN, OneCode, DataMatrix, Maxicode, and PDF417.
lets you decompile jars from IntelliJIdea 3.0.x & 4.0 using Pavel Kouznetsov's decompiler JAD. The plugin offers support for Windows, Linux and MacOSX
(commercial) IdeaSpring is an Intellij Idea plugin that assists with the use of the Spring framework.
J-INTERCAL is an implementation of the programming language INTERCAL designed by Don Woods and James Lyon.
JACL is an interpreted language for creating interactive fiction and other turn-based games that can be played on the desktop or over the web.
Jahia CMS and Portal Server
Jahia CMS and Portal Server is an open source and collaborative Java solution for building complex and dynamic Web sites.
a Java app designed to help you keep track of the jar files that accumulate over time on your hard drive
Java Development Kit
Open Group's port of the Java Development Kit to Linux using Linux Native Threads
Java Imaging SDK
Provides automated document imaging functions that decrease application development time while providing expert functionality and features including: conversion, annotation, and image manipulation. Supports over 40 document and image formats including ABIC, AFP, JBIG, JPEG, MO:DCA, MS Word, MS Excel, PCL, PDF, and TIFF
Java Promiscuous Packet Driver Interface
allows a Java developer to receive raw packets from a promiscuous adapter in Windows NT and Linux
Java Properties provides an efficient way to access bean-like properties of Java objects.
a set of configurable Java servlets for fast site building, including Forums, Chat, and Calendar servlets, etc
Java Swing Test
a Java applet that lets a developer determine whether a user's Web browser is Swing-enabled
Java VT6530 Terminal Emulator
Java VT6530 Terminal Emulator is a Java implementation of the proprietary terminal used with Tandem mainframes.
a simple command line utility which measures two standard source code metrics for the Java programming language. The metrics are collected globally, for each class and/or for each function
a Java XPath Engine. Jaxen is a universal object model walker, capable of evaluating XPath expressions across multiple models
a JFC Swing-compatible JavaBeans component that lets you barcode-enable Java 2 enterprise applications
a set of Open Source JSP tags, communicating with Sun's JCE (Java Cryptographic Extensions) library to bring strong encryption to your JSP applications
a network package for the Java language. It allows the programmer to create client/server application with little knowledge about networks and no knowledge about TCP/IP. The JCom SDK is basically a set of wrappers built around Java's internal TCP/IP socket classes
a CVS client package written entirely in Java. JCVS provides a complete CVS client/server protocol package that allows any Java program to implement the complete suite of CVS operations
an extension to the JUnit framework that enables you to execute unit tests against code that presents a Swing based interface
A collection of useful Java GUI components and utilities. JGui includes a docking windows framework for Swing and AWT; a dynamic tree framework; ThreadManager, which helps to distribute tasks to a number of threads; TLToolTipManager, which shows hidden parts of JTree's and JLabel's cells; JShape, which creates non-rectangular Swing components; and many more.
a free (LGPL) Java Interface for GNUstep. It allows full integration between java and objective-C code; it allows to access the GNUstep libraries (and any library based on GNUstep) from java as if they were java libraries, and vice versa to access java objects from objective-C as if they were objective-C objects
jOOQ stands for Java Object Oriented Querying.
JOpt.SDK Vehicle Routing Component
JOpt.NET is an automated routing software and dispatching component for .NET and can be integrated with C#,C++,VB and J#.
JPOX is a free and fully compliant implementation of the JDO 1.0 and 2.0 specifications, providing transparent persistence of Java objects. It supports persistence to all of the major RDBMS on the market today, supporting all of the main Object-Relational Mapping (ORM) patterns demanded by today's applications, allows querying using either JDOQL or SQL, and comes with its own byte-code enhancer.
a port-forwarder in Java that does hex/ascii dump logging like an assembly debugger
a servlet-based host for digital audio receivers, delivering streams of digital music to these stereo components that play MP3 files in high-fidelity* from a networked source
Java Simple Argument Parser: not only syntactically validates your program's command line arguments, but it converts those arguments into objects you specify. If you tell JSAP that one of your parameters is
an Integer, for example, and the user does not provide a String that can be converted to an Integer when invoking the program, JSAP will throw a ParseException when you have it parse the command line
a Java-based simulated annealing package consisting of a Swing-based user interface that provides intuitive access to the tuning of the algorithm's parameters, and a simulated annealing algorithm coupled with a downhill simplex, mostly a Java object wrapper around two algorithms in numerical recipes (ameba and amotsa)
JSwat is an extensible, standalone, graphical Java debugger front-end, written to use the Java Platform Debugger Architecture (JPDA) package provided by JavaSoft.
(commercial) exports data out of objects and into the world, processes it independently of the objects themselves and can import it back again in another call
jUDDI is an open source implementation of UDDI in Java produced by Bowstreet.
(commercial) lets you create international installers for your apps, applets, and servlets through a Swing interface
Kacheck/J is an encapsulation checker for Java. It infers which types are confined according to the definition given in Encapsulating Objects with Confined Types.
an extremely simple Java XML data type. It is very useful as a parameter or return type, as well as a class property type. It is object-oriented, and supports a varied range of type values (int, double, dates, etc.) as well as attributes and nested tags
LBPool is a database statement pool, that can handle both normal and prepared statements on multible connections to an SQL database.
LdapTemplate is a framework to simplify LDAP programming in Java, built on the same principles as Spring Jdbc. The LdapTemplate class encapsulates all the plumbing work involved in traditional LDAP programming, such as creating Contexts, looping through NamingEnumerations, handling Exceptions, and cleaning up resources. This leaves the programmer free to handle the important stuff: where to find data (DNs and Filters) and what do do with it (map to and from domain objects, bind, modify, unbind, etc.).
a collection of Jakarta Ant extenstions, primarily aimed at J2ee, and remote server project development. Can be used shorten complex j2ee build files to a few lines
provides multiple inheritance in Java. The Java language itself does not provide multiple inheritance for classes, and for valid reasons
mime4j provides a parser, MimeStreamParser, for e-mail message streams in plain RFC822 and MIME format. The parser uses a callback mechanism to report parsing events such as the start of an entity header, the start of a body, etc. If you are familiar with the SAX XML parser interface you should have no problem getting started with mime4j. The parser only deals with the structure of the message stream and won't do any decoding of base64 or quoted-printable encoded header fields and bodies.
an optional package for J2SE. JX4J is an initiative to build an Open Source implementation for the JMXTM technology, compatible with the JMX specification version 1.0, and to build related tools
an installable module for Netbeans which provides integration with Checkstyle. Checkstyle is an excellent tool for helping developers keep to a given coding standard
Novosec Bouncy Castle Extensions
provides the following pure Java extensions to the Bouncy Castle framework www.bouncycastle.org and was made freely available by www.novosec.com: 1. OCSP (RFC 2560) server and client / 2. CMP (RFC 2510, RFC 2511) generator and parser
OCamlScripting is a Java scripting engine (javax.script package) for the Objective Caml language. This allows execution of Objective Caml code snippets in a Java application.
ogre4j is a project that enables the use of the OGRE (Object-Oriented Graphics Rendering Engine) libraries in Java applications.
a fast, high-leveled and OO 3D engine for Java designed with 3D game in mind
Open Java Extensions
provides clean-room developed versions of Java standard extensions under an open source license. This permits developers free access to the implementation details of extensions for use and optimization
OpenJNLP is an open-source implementation of the Java Network Launching Protocol (JNLP). This protocol provides the ability to run a Java application or applet from the Internet without requiring a web browser or downloading and installing anything.
OpenSDMX provides components that can be used in every context where SDMX is implemented.
a persistence-agnostic module that can be used to fulfill storage requirements in applications that can change constantly
provides a unique queuing concept that enables developers to write workflow-based applications that allow for users to "pick up" work as their workload allows for
Paranamer is a mechamism that allows Java programmers to access the parameter names of methods of Java classes. It works with JDK 1.4 and later.
pegdown-cli is a command line tool that uses the pegdown library to render Markdown.
a tiny embeddable container for Constructor Dependency Injection (CDI) Inversion of Control (IoC) Java components
a collection of Java classes. Major chunks include: robust logging system, JDBC connection pools, lightweight application server, general utility classes
a Java Swing application expressly designed to offer a more effective exploration tool
Registry-CDC provides a registry function for storing and finding data, in particular configuration information. It is compatible with CDC and J2SE platforms.
Open Source Swing Addon Suite is a collection of open-source Swing add-ons.
A Korn shell script which creates a Java JAR file from source files held in a structured directory tree.
Free, and licensed under the GPL.
(commercial) a Java GUI component that enable programmer to add file system view with just a few lines of code. It shows files or folders in 4 views: detail, list, icon, and thumbnail
Simple Logging Facade for Java
The Simple Logging Facade for Java or (SLF4J) is intended to serve as a simple facade for various logging APIs allowing to the end-user to plug in the desired implementation at deployment time. SLF4J also allows for a gradual migration path away from Jakarta Commons Logging (JCL).
provides a skin system for Java programs
a new "LookAndFeel" for Java/Swing
SuperWaba is a VM for PDAs. Because of the way it was written, you can use Java to develop programs for it. It supports exceptions, threads, many user interface controls, double and long 64-bit types, grayscale, color, 3D controls, and JNI and Java libraries, among other features.
swIMP (SWIG-based Interfaces for Mathematical Programming) aims at making solvers written in C or C++ available under other languages. The current focus is on Java as target language and on LP/IP-solvers which are compatible to the Open Solver Interface (OSI) from the Coin-OR-project.
Table2GridBag is a commandline utility for Java developers, having or wanting to use the AWT GridBagLayout layoutmanager. It will convert a layout, provided as an HTML table into Java code for configuring the layoutmanager.
a parser, not a whole application; it isn't intended to permanently clean up bad HTML, as HTML Tidy does, only to parse it on the fly. Therefore, it does not convert presentation HTML to CSS or anything similar. It does guarantee well-structured results: tags will wind up properly nested, default attributes will appear appropriately, and so on
The Harmless ORB
a CORBA ORB for the .NET Framework
a pure java JDBC driver for mysql. Though it has not been updated for some time the noopt classes within still work quite well with mysql 3.xx.and later versions of JDK
TracingClassLoader is a replacement for the system ClassLoader that instruments classes on load-time with tracing output statements.
TymeacSE is a full-feature, asynchronous-process manager for the Java Standard Edition (J2SE) backend server development. It provides a queuing facility, thread management, and recursive processing with a minimal footprint that is easy to use.
a very useful Java package that provides dozens of functions to manipulate strings
WaveMaker (formerly named ActiveGrid) is an open source cloud software development platform that automates much of the process for creating Java web and cloud applications. WaveMaker provides a visual rapid application development (RAD) platform. It is a WYSIWYG development platform for building Web and Cloud applications. Read more
an extended Javadoc Doclet engine. It's a generic Java tool that lets you create custom Javadoc @tags and based on those @tags generate source code or other files (such as xml-ish deployment descriptors) using a template engine it provides
a framework that manages skins. Skins are used for a web application to look in a different way for each skin. A skin manages colors and images of the web page. Can use Velocity templates and Struts. JSF support with Renderer implementation
C/C++/Java XML parsers benchmarking toolset. Supported parsers: LibXML2, Xerces, Oracle XDK, Expat, RXP, QT, Sun Crismon. Benchmark Fields: Parsing (Native,SAX,DOM), DOM Manipulation, Schema Validation, XSL Transformation, XML Signature & Encryption
XML for SCRIPT
a perl interface to James Clark's XML parser, expat
XQuisitor is a simple GUI interface for XQuery based on Michael Kay's Saxon 8. XQuisitor is free software, written in Java, published under the GPL. It is an end-user application that has no public API (at least not yet).
xulfaces adds XUL power to Java via Java Server Faces with an XUL RenderKit, a custom XUL tag library, and Facelets support for increasing productivity.