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Databases and Persistence :: Java
Extensions :: Java
Libraries and Frameworks :: Server Side
Libraries :: Programming

A Text User Interface for the Java AWT - Renders Java 1.1 GUIs written in AWT that do not implement custom graphics to a text console. [Open Source]

Adept Java Library - A Java library including source code for the Adept Software Development System. Packages include a Java object database, advanced file I/O, caches, session management. [Open source, Artistic License]
Meta Description: [ Home of the Adept Java Technology Library with full Java Source ]

AgentAE - A surround Audio Engine using OpenAL API, supporting features of the latest audio cards. AgentAE is 100% Java and platform-independent.

Amber Archer - Includes classfile parser and writer, reloading classloader, UNIX syslog client protocol, an asynchronously updated Map, and cache and pool framework support. [Open source, GPL]
Meta Description: [ christian music legal free download limewire listen to mp3 cds ]

Applicet - Framework for Applets and Applications. It replaces java.applet.Applet as superclass and includes easy-to-use Internationalization support. [Commercial/Freeware]

Ataraxia - A generic internet gaming framework in Java providing a complete client/server and peer to peer networking and messaging layer and a modular game generation toolkit with particular effort on the card games. [Open source, GPL]

Blackwood - Integrating the Java platform with Mozilla. Features include a bridge to XPCOM, a Java DOM API, the Open JVM Integration (OJI) facility, a Java WebClient API, Plug-ins implemented in Java, called 'Pluglets', and embedding the layout engine into Java applications - includes a demonstration browser partially written in Java. [Open Source, MPL]

Bluefish Rules Engine - Simple Java/XML rules engine suitable for personalization, workflow, and business rules. [Open Source]

404 Byte Iterator class - Allows treating a byte array as a file. [Open Source, GPL]

Code Generation Library - A dynamic library used to extend Java classes and implement interfaces at runtime. [Open source, Apache Software License]

Coroutine Package in Java - An implementation of coroutines using Java 1.0 and threads - ported from a C version. [Freeware]

CreditCardPack - Provides EJB, GUI and non GUI components related to credit card data and data validation. By Keyoti Software.
Meta Description: [ EJB and Bean Credit Card components for data capture and validation. ]

404 Essiembre Java Libraries - Set of open source Java libraries automating or improving on existing solutions includes J2EE Scheduler, Lookup Loader, Struts Extensions. [Open source, LGPL]
Meta Description: [ Open source Java libraries automating or improving on existing solutions when developing J2EE applications. ]

Flux - Java workflow engine, Java job scheduler, and Java business process management (BPM) engine. APIs are available for Java, J2EE, XML, and Web Services. Flux can also be used without programming via its user interfaces. [Commercial]
Meta Description: [ Flux is a Java job scheduler, Java workflow engine, and Java Business Process Management (BPM) engine. Flux combines all three disciplines into one truly unified software product. Flux is for Java software developers and non-programmers alike. ]

GenerationJava - Generic collection of Java support classes. [Open Source]

ICEsoft - ICEbrowser (HTML component for internet browsing in Java), ICEbox (a mail component), ICEtoolkit (a GUI toolkit based on lightweight AWT components) and ICEssl (a module provides support for secure networking over the Internet, and full support for both SSL 2.0 and SSL 3.0 protocols). [Commercial, trial versions]
Meta Description: [ Java software, Java development, J2EE web application, rich internet applications. With ICEsoft’s Java software, you can easily develop robust enterprise J2EE web applications. ICEbrowser is the most widely distributed Java development browser in the world. You can easily develop robust enterpris... ]

If Then Technology's Java Tool Kit - Consists of four Java components that provide streaming HTML-to-PDF conversion, streaming ZIP file generation, HTTP file uploading, and emailing.

ILOG JRules - A business rule engine class library.
Meta Description: [ ILOG JRules lets users quickly and securely change business rules. The rule engine features an easy-to-understand business rule language and an open, extensible business rule repository. Applications include Web self-service, online lending, online banking, portfolio management software, telecom... ]

Jakarta Commons - Collection of open source reusable Java components from the Apache/Jakarta community.

Java Addition to Default Environment (JADE) - Customizable XML support, generic Matrix class, and automatic error calculation. [Open Source, LGPL]
Meta Description: [ Java optional library ]

Java Caching Service - Implementation of the JSR-107 JCache API. Its aim is to provide an open source alternative to commercial jcache implementations and deliver a fast distributed caching mechanism for java and j2ee. [Open source, LGPL]

Java Collection Framework Toolbox - Utility classes for the java collections framework. [Open source, GPL or LGPL]
Meta Description: [ Java Collections toolbox ]

404 Java Generic Libraries (JGL) - Class libraries that extend JDK libraries, providing many commonly-used algorithms and data structures. By Recursion Software, Inc. [Commercial]
Meta Description: [ Recursion Software offers integration platforms, class libraries and training for software developers. ]

Java Plugin Framework (JPF) - A general-purpose plug-in framework intended to help building scalable, extendable Java applications with low cost of maintenance. [Open source, LGPL]
Meta Description: [ Framework to help development of extensible Java applications or to add plug-in support to existing systems. ]

Java Printing Library - This library adds a higher layer of abstraction to the standard Java print API. It has an opened architecture and simplifies the printing of complex components (e.g. tables) and reports. An interactive print preview is also included.
Meta Description: [ ReportCat is a powerful print library for Java. It has an elegant building block architecture and adds a higher abstraction layer to the standard Java print API. Printing reports gets as easy as using swing components. ]

Java Web Browser and XML Viewer - Clue Web Browser Components power Java applications to display HTML. HTML-XML Dual Viewer help developers to display both HTML and XML with a single Java component. [commercial]
Meta Description: [ netcluesoft.com ]

JavaSVN - A pure Java Subversion (SVN) client library that provides high level of control over subversion repository operations. [Open source, BSD-like]
Meta Description: [ Pure Java Subversion Library. Open Source, provided by TMate Software ]

JavaThis Utilities - Java class library. The main objective is to provide a cross platform, multi-language set of utilities for use with Java applications.
Meta Description: [ The world's largest development and download repository of Open Source code and applications ]

JBeans - A complete re-implementation of the java.beans packages. This project builds on the deficiencies of the Sun implementation to provide developers with a set of tools that can be used in everyday practice. The JBeans project provides more support for getting and setting bean properties, type conversion, nested properties, indexed properties, and full JavaBeans. [Open source, LGPL]
Meta Description: [ Welcome to the home of the JBeans project. The JBeans project is a complete re-implementation of the java.beans package that provides developers with tools for everyday use of JavaBeans ]

JBrix Java Components - Open-source java libraries, in particular GUI, speech-recognition, and XML related components.

JDollars - A Java class library for credit card transaction processing. [Open source, BSD License]

JDring - Task scheduling system for Java, similar to Unix cron and at daemons. Fires events at specified times. Alarms are added dynamically in any order and can be one-shot or repetitive. [Open Source, LPGL]

JET API - Java libraries and Java Beans providing access to 3270 and 6530 mainframe hosts.
Meta Description: [ JET API is a Java(TM) 3270 and 6530 host access API for use in creating new web to host interfaces to existing legacy applications. ]

JFreeReport - A Java class library for generating reports. It provides a flexible printing functionality for Java applications and supports output to Printers and PDF, Excel, HTML and XHTML, PlainText, XML and CSV files. [Open source, LGPL]
Meta Description: [ JFreeReport is an open source Java class library for generating reports using data from a Swing JTable. ]

JGraphT - A class library that provides mathematical graph-theory objects and algorithms. JGraphT supports a rich gallery of graphs and is designed to be powerful, extensible and easy to use. [Open source, LGPL]

JICE - An XML-based configuration engine for Java applications. It could be used any Java application - client-side and server-side applications, Swing and web applications. [Open source, LGPL]

JMAC - A Java implementation of Monkey's Audio Compression decoder. It is a Java library that decodes, converts and plays Monkey's Audio files (.MAC, .APL, .APE) in real time. JMAC doesn't need JMF. It runs under J2SE. [Open source, LGPL]
Meta Description: [ JMAC is a Java implementation of the Monkey's Audio decoder/encoder/JavaSound SPI. This page provides general information, downloadable distributions and developer information about JMAC. ]

jProductivity Protection! - A licensing framework that can be embedded into custom Java applications or components only allowing the permitted use according to the supplied license. [Commercial]
Meta Description: [ jProductivity provides software protection, electronic licensing and software asset management technologies to software developers. ]

JRoots - Java Application Framework for business development. [Freeware]

JSDL (Java for SDL) - A binding for SDL (Simple DirectMedia Layer) written in java. Now you can use SDL and still program with Java. [Open source, LGPL]

JTemporal - A framework of components providing functionality for time related applications (for the moment instant, period, mediators managing temporal associations). [Open source, LGPL]
Meta Description: [ JTemporal Temporal Framework for Java. ]

JThreadKit - Multithreading collection that provides common wrappers and synchronized implementations. [Commercial w/ demo]
Meta Description: [ JThreadKit is a collection of utilities for Java that speed the development of multithreadedapps. This thread library simplifies many common tasks and providestools to facilite the development of thread-safe code. ]

JViewPro - Report generator and print preview JavaBean.
Meta Description: [ Report Generator and Print Preview JavaBean for Java Developers ]

JWAM Framework - Java-based object-oriented framework for interactive business applications. By APCON WPS. [Framework is commercial; other components are open source, BSD-like]
Meta Description: [ Website der C1 Workplace Solutions ]

500 jX4 - Java-based object oriented platform for MUDs and other modular, possibly distributed applications. [Open Source]

LatteLib Utility - Provides pure Java utilities that enhance the functionality of Java applications, zip utilities, file search, file parsing, work queues, daily rolling logs, synchronized data types. [Freeware]

Lava Rocks - Utilities such as printf, array manipulation, console mode dialogs, file management, text, and DES crypto. [Commercial]

License4J - A pure Java library for creating and validating licenses. [Commercial]
Meta Description: [ License4J is a pure Java library for creating and validating licenses. ]

Mandarax - A Java class library for deduction rules. It provides an infrastructure for defining, managing and querying rule engine bases. [Open source, LGPL]

Mango - A Java library consisting of a number of iterators, algorithms and functions, loosely inspired by the C++ Standard Template Library. [Open source, LGPL]

Marauroa - A Java framework for creating online multiplayer games. [Open source, GPL]
Meta Description: [ Arianne is a multiplayer online games framework and engine to develop turn based and real time games. It provides a simple way of creating games on a portable and robust server architecture. The server is coded in Java and uses Python for your game description, provides a MySQL backend and uses a... ]

MD5 Hashing Class/Utility - Computes the MD5 hash of arrays of bytes. Can also be used in command-line mode. [Open Source, Public Domain]

Millstone UI library - A user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes. [Open source, LGPL]

MirrorJNDI - Java Naming and Directory Interface (JNDI) service provider for accessing arbitrary Java objects in a hierarchical namespace. [Open source, GPL]
Meta Description: [ MirrorJNDI is an open source Java Naming and Directory Interface (JNDI) service provider for accessing arbitrary Java objects in a hierarchical namespace. ]

Mouse Gestures - A pure Java library for recognition and processing mouse gestures. [Open source, LGPL]
Meta Description: [ Mouse Gestures is an open source pure Java library for recognition and processing mouse gestures. ]

My Java Tools - General purpose Java tools libraries: Lib (Objects, Strings, Files, FileFormat, Web, Tools, ZipInput); run - a Java application that runs code from a URL; jsp - Universal JSP turns JSP language into Macro; Practical XML - a very simple XML library.
Meta Description: [ Free Java Tools, Solutions, Inventions, Tips and Tricks ]

NovoSoft UML Library - Provides the following services: implementation of complete UML 1.3 physical metamodel, easy to use interfaces, event notification, undo/redo support, reflective API, XMI loading/saving. [Open Source, LGPL]

Orbital library - A class library providing object-oriented representations and algorithms for logic, mathematics and artificial intelligence. It comprises theorem proving, computer algebra, search and planning, as well as learning algorithms.
Meta Description: [ The Orbital library is a Java class library providing object-oriented representations and algorithms for logic, mathematics and artificial intelligence. It comprises theorem proving, computer algebra, search and planning, as well as machine learning algorithms. ]

Package util.concurrent - This package provides standardized, efficient versions of utility classes commonly encountered in concurrent Java programming. It mainly consists of implementations of a few interfaces. [Open Source, Public Domain]

PooliT - Generic, extensible object-pooling library to cut down on object creation and garbage collection, thus improving performance. [Open Source, LGPL]
Meta Description: [ Ascent Phase PHPKit Dynamic Document ]

PortAudio - A cross platform audio I/O library. [Open source]
Meta Description: [ PortAudio is a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function. ]

Primitive Collections for Java - A collections framework for primitive Java types. The framework supports all primitive types and includes bridges to the standard Java Collections Framework. [Open source, LGPL]

Programmer's Friend - Java utility libraries for text, IO, XML, database. Online javadocs. [Open source]

Protomatter - A collection of (hopefully) useful Open Source Java classes, including Syslog, JDBC Connection Pool, PAS - a lightweight application server framework, Object Pooling Framework. Also Base64 encoder/decoder, blocking queues, work queues, mutex locks utility classes. [Open source, LGPL]

Prova - An open source rule based scripting language for information integration and agents in Java, combining imperative and declarative programming. Distributed agents communicating via JMS or JADE use reaction rules in a natural syntax.
Meta Description: [ Prova is a rule based scripting language for information integration and agents in Java, combining imperative and declarative programming. Distributed agents communicating via JMS or JADE use reaction rules in a natural syntax. ]

RealObjects Edit-on Pro - A WYSIWYG editor applet/component. Provides word processor-like features, like a spelling checker, for XHTML markup creation.
Meta Description: [ RealObjects is a manufacturer of standards-oriented, cross-platform software tools for content authoring and electronic publishing with XML/HTML and PDF. The products include edit-on Pro and PDFreactor. ]

Side of Software Java Libraries - Offers libraries for the Java platform, such as dated collections, print preview, report visualization, and an OODB. [Commercial]
Meta Description: [ Side of Software offers the Dated Collections Library, Persistence Library, Print Preview Library, Report Library, and Wizard Library for the Java platform. ]

404 simpleJ - A collection of easy to use multi-purpose Javabeans providing commonly used methods for handling I/O, arithmetic, and general commonly used algorithms used in computer science. [Open source, BSD License]
Meta Description: [ simpleJ is a collection of easy to use multi-purpose Java beans. They provide commonly used methods for handling I/O, arithmetic, and general commonly used algorithms used in computer science. Intended audience: programmers and computer science students. ]

Smartproxy - A library to dynamically create proxy classes and instances. Features an introduction to the library, download links and some documentation. [Open source, BSD License]
Meta Description: [ A smart proxy creation library for Java ]

Style Report Pro - An advanced printing/report generation package for Java applications and applets. The core of Style Report/Pro is a Java class/Java bean library with a powerful API. It support PDF/RTF/HTML generation, charting, grouping/summarization and high performance, high resolution printing drivers. [Commercial]
Meta Description: [ Style Report/Pro ]

Talkative - Set of Java, COM and JavaScript libraries which together can provide connectivity between all kinds of applications. [Open Source, GPL]
Meta Description: [ Technical (Java Script) ]

The lamborne Package of Collection Classes - Collection classes that complement and extend java.util .
Meta Description: [ Lamborne is a Java package of collection classes that complement and extend java.util ]

The metaXa Project - A meta architecture for the Java virtual machine.

The VNet Class Library - Collection of useful Java classes, including an XML generator and a simple editor. [Open Source, GPL]

ThreadWorks - A Java API that facilitates development and support of multi-threaded applications.
Meta Description: [ Site for Delta Vortex Technologies, Inc. ]

UnifiedIO - Allows to access everything (files, streams, arrays) in same manner, and gives a clear difference between read only and read/write access, control over byte order, optimized reading over http. [Open Source, BSD]

Universal Resource Library - An extendable implementation of the NetBeans Filesystems API providing transparent access to local, JAR, CVS, XML and FTP filesystems. [Open Source, MPL-like]

Verge Archemedia Labs - Offers Tempo a software component that performs job scheduling and job queuing for J2EE applications. [Commercial]

WEBsina - JLicense is a Java utility library for creating and validating license keys. AuthToken is Java utility library for generating and validating authentication tokens (i.e., an encrypt string). [Freeware, pay for sources]
Meta Description: [ Java application software for license key generation, bug tracking, defect tracking, and issue tracking. ]

Windward Reports - A J2EE report engine in Adobe PDF, Word RTF, html with css, html 3.2 (no css), ascii text formats. Servlet, JSP examples with sources. [Commercial]
Meta Description: [ Windward Reports is a fast, easy, and powerful report server for your J2EE/.NET system. It uses Microsoft Word to quickly layout templates and then generate reports in rtf, html, or pdf format using an xml file for the data and the word document you created as the report template. ]

XXL: eXtendable and fleXible Library - Provides a powerful collection of index-structures, query operators and algorithms facilitating the performance evaluation of new query processing developments. [Open Source, LGPL]