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Open Source Java Directory

The Open Source Java Directory is maintained by Steve Mallett, creator of OSDir.com.

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GGZ-Java

JTrac

Dao-zero: implement your DAO intefaces

DualRpc easy bidirectional RPC for GUI client to server

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Title Description License Updated
ActiveMQ ActiveMQ is a fast open source JMS 1. The Apache Software License Nov 26, 2005
Activity Manager Activity Manager is a project management tool that is simple to use, lightweight, and very efficient and customizable. BSD License (BSD) Apr 4, 2006
Anthill Build Management Server Automates the build and release process of software development. Mozilla Public License (MPL) Jun 23, 2003
AntiChess AntiChess is an anti chess game written in Java. MIT/X Consortium License Jul 28, 2003
ANTLR Powerful lexer, parser, tree parser, tree transformation toolkit. Public Domain Mar 3, 2005
Apache Derby Apache Derby is an open-source, embeddable, small footprint, SQL compliant, fully transactional, secure relational database management system implemented entirely in Java. The Apache Software License Feb 9, 2006
Apache Geronimo Certified J2EE 1. The Apache Software License Dec 13, 2005
Apache Jakarta : OJB Object persistence layer for Java.   Apr 17, 2003
Apache Jakarta: Alexandria Alexandria is a CVS/Javadoc/Source code/Documentation management system meant for use within Open Source projects. The Apache Software License Sep 13, 2002
Apache Jakarta: Ant Apache Ant is a Java based build tool. The Apache Software License Sep 13, 2002
Apache Jakarta: Avalon Avalon is component-oriented programming project consisting of: Framework, the core framework for COP; Excalibur, common utilities written as components; Phoenix, a server framework; Cornerstone, blocks for use in a Phoenix server; and, Logkit, logging facilities. The Apache Software License Sep 13, 2002
Apache Jakarta: BCEL The Byte Code Engineering Library (formerly known as JavaClass) is intended to give users a convenient possibility to analyze, create, and manipulate (binary) Java class files (those ending with .class). The Apache Software License Oct 8, 2002
Apache Jakarta: Cactus Cactus is a simple test framework for unit testing server-side java code (Servlets, EJBs, Tag Libs, Filters, ...). The Apache Software License Oct 8, 2002
Apache Jakarta: Commons Repository for small scale, reusable, code components that are useful in multiple Jakarta subprojects. The Apache Software License Sep 13, 2002
Apache Jakarta: ECS The Element Construction Set (ECS) is a Java API for generating elements for various markup languages it directly supports HTML 4.0 and XML, but can easily be extended to create tags for any markup language. The Apache Software License Oct 8, 2002
Apache Jakarta: James The Java Apache Mail Enterprise Server (a.k.a. Apache James) is a 100% pure Java server, designed to be a complete and portable enterprise mail engine solution based on currently available open protocols (SMTP, POP3, NTTP). The Apache Software License Oct 8, 2002
Apache Jakarta: Jetspeed Jetspeed is an Open Source implementation of an Enterprise Information Portal, using Java and XML. The Apache Software License Sep 13, 2002
Apache Jakarta: JMeter Apache JMeter is a 100% pure Java desktop application designed to load test functional behavior and measure performance. The Apache Software License Sep 13, 2002
Apache Jakarta: Log4j With log4j it is possible to enable logging at runtime without modifying the application binary. The Apache Software License Sep 13, 2002
Apache Jakarta: Lucene Jakarta Lucene is a high-performance, full-featured text search engine written entirely in Java. The Apache Software License Sep 13, 2002
Apache Jakarta: ORO The Jakarta-ORO Java classes are a set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc. The Apache Software License Sep 13, 2002
Apache Jakarta: POI/POI Serialization Project The POI project aims to provide both the framework for porting and actual ports of file formats based on Microsoft's OLE 2 Compound Document Format (tm) to pure Java (tm). The Apache Software License Sep 17, 2002
Apache Jakarta: Regexp Regexp is a 100% Pure Java Regular Expression package that was graciously donated to the Apache Software Foundation by Jonathan Locke. The Apache Software License Sep 13, 2002
Apache Jakarta: Slide The Slide project main module is a Content Management and Integration System, which can be seen as a low-level content management framework. The Apache Software License Sep 13, 2002
Apache Jakarta: Struts The Struts project provides an open source framework useful in building web applications with Java Servlet and JavaServer Pages (JSP) technology. The Apache Software License Sep 13, 2002
Apache Jakarta: Taglibs The Jakarta Taglibs project provides an open-source repository for JSP custom taglibs and Web Publishing tool extensions which support JSP custom taglibs. The Apache Software License Sep 13, 2002
Apache Jakarta: Tomcat Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Apache Software License Sep 13, 2002
Apache Jakarta: Turbine Turbine is a servlet based framework that allows experienced Java developers to quickly build secure web applications. The Apache Software License Sep 13, 2002
Apache Jakarta: Velocity The Velocity Template Engine lets you render data from within applications and servlets. The Apache Software License Sep 13, 2002
Apache Jakarta: Watchdog Watchdog, the validation tests for the Servlet and JavaServer Pages specifications, is currently available. The Apache Software License Sep 13, 2002
Apache XML-RPC Apache XML-RPC is a Java implementation of XML-RPC, a popular protocol that uses XML over HTTP to implement remote procedure calls. The Apache Software License Sep 13, 2002
Apache XML: AXIS Apache AXIS alpha 3 is out, with JAX-RPC support. The Apache Software License Sep 13, 2002
Apache XML: AxKit Apache AxKit is an XML Application Server for Apache. The Apache Software License Sep 13, 2002
Apache XML: Batik Batik is a Java technology based toolkit for applications that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation. The Apache Software License Sep 13, 2002
Apache XML: Cocoon Apache Cocoon is an XML publishing framework that raises the usage of XML and XSLT technologies for server applications to a new level. The Apache Software License Sep 13, 2002
Apache XML: Crimson Crimson is a Java XML parser which supports XML 1.0 via the following APIs: Java API for XML Processing (JAXP) 1.1 minus the javax.xml.transform package, Xalan, SAX, and DOM. The Apache Software License Oct 8, 2002
Apache XML: FOP FOP is the world's first print formatter driven by XSL formatting objects and the world's first output independent formatter. The Apache Software License Sep 13, 2002
Apache XML: Security The Apache XML Security Software 0.0.1 supports the XML-Signature Syntax and Processing recommendation. The Apache Software License Oct 8, 2002
Apache XML: SOAP Apache SOAP ("Simple Object Access Protocol") is an implementation of the SOAP submission to W3C. The Apache Software License Sep 13, 2002
Apache XML: Xalan Xalan is an XSLT processor for transforming XML documents into HTML, text, or other XML document types. The Apache Software License Sep 17, 2002
Apache XML: Xang Apache Xang lets you quickly build data-driven, cross-platform Web applications that integrate disparate data sources. The Apache Software License Sep 13, 2002
Apache XML: Xerces Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family. The Apache Software License Sep 17, 2002
Apache XML: Xindice Xindice is a native XML database. The Apache Software License Nov 29, 2005
Apollo Apollo is an open-source developer test skeleton toolkit for Java Web Start/JNLP. GNU General Public License (GPL) Apr 17, 2003
Arch4J Arch4J is an open source Java architecture framework that provides an infrastructure of services to support enterprise development.   Feb 14, 2002
ArgoUML Pure Java open source UML tool with emphasis on usability. BSD License (BSD) Apr 17, 2003
ashkelon an online reference tool for java api documentation. A BSD-ish license Sep 5, 2002
ASM ASM is a Java bytecode manipulation framework. GNU Lesser General Public License (LGPL) Jul 29, 2002
Bodington VLE Bodington is a free open source Virtual Learning Environment/Learning Management System in use at Universities and Colleges worldwide. The Apache Software License Sep 30, 2005
c2h: cetacean-to-human Open source Java distributed application for researching Cetacean acoustic communication. GNU General Public License (GPL) May 5, 2003
cache4j cache4j is a cache for Java objects with a simple API and fast implementation. BSD License (BSD) Mar 12, 2006
Castor Castor is an open source data binding framework for Java[tm]. A BSD-ish license Feb 16, 2002
Cayenne O/R Framework Cayenne is an OpenSource Java Object-Relational framework. A BSD-ish license May 2, 2003
CCAPI CCAPI is a financial application library for Java. GNU General Public License (GPL) Jun 8, 2005
Checkstyle Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. GNU Lesser General Public License (LGPL) Jul 29, 2002
Claros In Touch A full featured webmail(bundled with smtp-server independent spam protection), addressbook, notebook, and calendar application. GNU Lesser General Public License (LGPL) Mar 24, 2006
ColoradoFTP - The Open Source FTP Server ColoradoFTP is the open source Java FTP server.   Apr 28, 2006
Compaq's Web Language Compaq's Web Language is a scripting language for automating tasks on the World-Wide Web.   Mar 12, 2001
Compiere ERP/CRM Business Solution Comprehensive ERP/CRM solution for small-medium enterprises (SME) in the global marketplace covering all areas from customer management, supply chain and accounting. Mozilla Public License (MPL) Feb 3, 2002
CSVObjects A Java library and extensible framework for mapping, parsing and unmarshalling CSV file contents into Plain Old Java Objects. GNU General Public License (GPL) Aug 2, 2005
Dao-zero: implement your DAO intefaces DaoZero is a small Java Spring bean class that can be used to reduce source of persistence tier which bases on Spring's iBatis support. The Apache Software License Apr 28, 2006
DataVision DataVision is a database reporting tool similar to Crystal Reports. The Apache Software License Sep 18, 2002
db4o for Java db4o (database for objects) is an open source object database for Java. GNU General Public License (GPL) Jun 15, 2005
Dinamica - RADical J2EE framework Powerful and very easy to use framework for J2EE web development. GNU Lesser General Public License (LGPL) Nov 1, 2005
DualRpc easy bidirectional RPC for GUI client to server DualRpc is a clean and simple Java framework for making RPC calls between client and server. BSD License (BSD) Apr 28, 2006
Echo Echo is a framework for building web applications that provide a rich-client-like user experience. GNU Lesser General Public License (LGPL) Jun 23, 2003
Eclipse Eclipse is a kind of universal tool platform - an open extensible IDE for anything and nothing in particular, written in Java and OpenSource. IBM Public License Sep 20, 2005
Enhydra Enhydra project delivers a servlet runner with a difference.   Feb 3, 2002
Expresso Framework Expresso is an architectural framework with extensible Java components for developing database-driven web applications based on open standards. The Apache Software License Oct 29, 2002
firecat firecat is a server-side JavaScript Webserver. GNU Lesser General Public License (LGPL) Jan 21, 2006
Flexible XML-based Languages (FXL) Project Framework The Flexible XML-based Languages (FXL) project is a open-source research project which leverages the creation/integration of domain specific languages (DSLs) and various modeling approaches (MDSD/MDA) to provide consistent, XML-based solutions for varying tasks in today’s software development, runtime and maintenance phases. The Apache Software License Jan 30, 2006
Free Trading Platform Free Trading Platform offers software to bootstrap a brokerage operation and perform its day-to-day business. GNU General Public License (GPL) Sep 30, 2005
Freenet Freenet is free software designed to ensure true freedom of communication over the Internet. GNU General Public License (GPL) Feb 14, 2002
FreeTTS FreeTTS is a speech synthesis engine written entirely in the Java(tm) programming language. BSD License (BSD) Feb 14, 2002
Ganymed SSH2 for Java The Ganymed SSH2 for Java library (implementing the SSH-2 protocol) is used in Ganymed and a couple of other projects here at ETH Zurich. BSD License (BSD) Jul 4, 2005
Gemini Gemini is a very simple-to-use non-intrusive Java framework that seamlessly enables bidirectional relationships between plain old Java objects (POJO). GNU General Public License (GPL) Sep 26, 2005
GGZ-Java The GGZ Gaming Zone is a free cross-desktop gaming integration platform. GNU Lesser General Public License (LGPL) May 12, 2006
Global Javadoc Viewer This application allows to conveniently browse, over the Internet and local filesystem, multiple javadoc sets, using a single packages/classes hierarchy tree and a searchable index. Artistic License (Perl AL) Mar 18, 2006
GNU Trove High performance collections for Objects and primitive types. GNU Lesser General Public License (LGPL) Apr 17, 2003
Gomba Gomba is a collection of Java servlets that allow developers to quickly build RESTful web services. The Apache Software License Dec 19, 2005
Hibernate Hibernate is a powerful, ultra-high performance object/relational persistence and query service for Java. GNU Lesser General Public License (LGPL) Jun 23, 2003
HSQL Database Engine HSQLDB is a relational database engine written in Java, with a JDBC driver, supporting a subset of ANSI-92 SQL. BSD License (BSD) Feb 14, 2002
IBM Jikes Jikes is a compiler that translates Java source files as defined in The Java Language Specification into the bytecoded instruction set and binary format defined in The Java Virtual Machine Specification. IBM Public License Sep 18, 2002
InfoSapient InfoSapient is an Open Source, Common License 0.5, Java 1.2 and above, program for the easy expression, execution and maintenence of business rules within a company. IBM Public License Oct 8, 2002
iSQL iSQL(IndependentSQL)-Viewer is a JDBC 2.0-compliant application that is designed to exploit JDBC Features for all compliant drivers. Mozilla Public License (MPL) Oct 8, 2002
iText iText is a library that allows you to generate PDF files on the fly. GNU Lesser General Public License (LGPL) Feb 14, 2002
ITracker: Java Issue Tracking Software ITracker is a Java J2EE issue tracking system designed to support multiple projects with independent user bases. GNU General Public License (GPL) Jun 5, 2006
JacORB Java implementation of the OMG's CORBA standard. GNU Lesser General Public License (LGPL) Aug 6, 2002
Japple Japple is a rapid application development environment for building web applications and services. GNU Lesser General Public License (LGPL) Sep 18, 2002
JAT - Java Application Template JAT is a flexible Java base-framework which can be easily extended to improve projects start-up time. GNU Lesser General Public License (LGPL) Feb 5, 2006
Java Outline Editor (JOE) This is an outliner and MDI implemented in Java Swing. GNU General Public License (GPL) Feb 14, 2002
Java Wireless Connection Program     Feb 7, 2001
JavaClientForDict Set of Java interfaces for communicating with DICT (RFC2227) dictionary servers. The Apache Software License Apr 17, 2003
Jawin The Java/Win32 integration project (Jawin) is a free, open source architecture for interoperation between Java and components exposed through Microsoft's Component Object Model (COM) or through Win32 Dynamic Link Libraries (DLLs).   Sep 18, 2002
JBeans The JBeans project is a complete re-implementation of the java. GNU Lesser General Public License (LGPL) Feb 14, 2002
JBoss JBoss is an Open Source, standards-compliant, J2EE application server implemented in 100% Pure Java, as is our full product suite. GNU Lesser General Public License (LGPL) Feb 3, 2002
jCharts is a 100% Java based charting utility that outputs a variety of charts. A BSD-ish license Jul 29, 2002
jDictionary JDictionary is a dictionary application written in java. GNU Lesser General Public License (LGPL) Aug 5, 2002
JDigraph JDigraph is a Java library for representing and working with directed graphs and paths. BSD License (BSD) Aug 26, 2002
JDOM The JDOM project intends to provide a solution for using XML from Java that is as simple as Java itself.   Feb 3, 2002
JDots, Java Dynamic Object Tree System JDots is a small library of java classes which can be used by the developer to build a dynamic (runtime) tree of objects. GNU Lesser General Public License (LGPL) Aug 28, 2005
jEdit jEdit is a programmer's text editor written in Java, being developed by Slava Pestov and others. GNU General Public License (GPL) Feb 14, 2002
Jete Jeté is a system and integration testing framework. The Apache Software License Feb 23, 2006
Jetty Jetty is a 100% Java HTTP Server and Servlet Container. Artistic License (Perl AL) Feb 14, 2002
Jext Jext is a powerful 100% pure Java programmer's text editor. GNU General Public License (GPL) Feb 16, 2002
JFaceDbc JFaceDbc is a JDBC client application written in Java. GNU Lesser General Public License (LGPL) Jul 29, 2002
jFin open source pure java financial library Pure java implementation of financial date arithmetic: date adjustment, date offset and day count calculation. GNU General Public License (GPL) Feb 16, 2006
JFreeChart JFreeChart (version 0. GNU Lesser General Public License (LGPL) Apr 30, 2002
JGraphicTools JGraphicTools is a easy to use Java-API and a collection of usefull tools for graphic manipulation. The Apache Software License Mar 27, 2003
Jiplet Container - SIP development environment Jiplet is short for Java SIP Servlet. The Apache Software License Jun 8, 2005
JLop Why JLop? By many years i'm interested in fully portable programs: sources or executables that can be run 'unmodified' on many different computing machinery, on different os, different processors, different hardware. GNU General Public License (GPL) Jan 19, 2006
jMOS Open java implementation for Media Object Server Communications Protocol (MOS). The Apache Software License Dec 12, 2005
Jofti - cache searching Jofti is a simple to use, high-performance object indexing and searching solution for Objects in a Caching layer or storage structure that supports the Map interface. GNU General Public License (GPL) Nov 19, 2005
JOnAS JOnAS (Java Open Application Server) is a pure Java open source implementation of the EJB (Enterprise JavaBeans) specification. GNU Lesser General Public License (LGPL) Jul 29, 2002
Jonathan Jonathan is an open source adaptable distributed object platform, which currently provides several personalities, including on compliant with the OMG CORBA specifications and another with the RMI specification. GNU Lesser General Public License (LGPL) Jul 29, 2002
JORAM JORAM (Java Open Reliable Asynchronous Messaging) is an open source implementation of the JMS (Java Message Service) API. GNU Lesser General Public License (LGPL) Sep 18, 2002
JOrganizer JOrganizer is a webbased PIM (Personal Information Manager), written in Java. The Apache Software License Nov 25, 2002
JORM JORM (Java Object Repository Mapping) is an open source adaptable persistence service. GNU Lesser General Public License (LGPL) Jul 29, 2002
Jostraca Jostraca is a general purpose code generation toolkit for software developers. GNU General Public License (GPL) Apr 17, 2003
JOTM JOTM (Java Open Transaction Manager) is a fully functional open source standalone transaction manager that implements the XA protocol and is complies with the JTA APIs. GNU Lesser General Public License (LGPL) Jul 29, 2002
JPackage Project JPackage project aims are twice, provide a coherent set of Java software packages for Linux, satisfying all quality requirement of other applications and establish an efficient and robust policy for Java software installation.   Apr 17, 2003
JPedal A Java library to extract text and images from pdf files and provide a rasterizer. GNU Lesser General Public License (LGPL) Apr 17, 2003
jPOS jPOS is a Java based, production grade ISO-8583 library/framework that can be used to implement financial interchanges, protocol converters, payment gateways, credit card authorization clients and servers (merchant/issuer/acquirer), etc. A BSD-ish license Apr 17, 2003
jPOS jPOS is a Java based, production grade ISO-8583 library/framework that can be used to implement financial interchanges, protocol converters, payment gateways, credit card verification clients and servers (merchant/issuer/acquirer), etc. The Apache Software License Sep 16, 2002
JPublish JPublish is a powerful web publishing system which uses the Velocity template engine in combination with a content management framework to build dynamic web sites. The Apache Software License Dec 16, 2002
JRuby JRuby is a re-implementation of the Ruby scripting language in Java. GNU General Public License (GPL) Jul 29, 2002
JSecurity JSecurity is a powerful and flexible open-source Java security framework that cleanly handles authentication, authorization, integrated session management and single sign-on. GNU Lesser General Public License (LGPL) Feb 20, 2006
JSmooth JSmooth is a Java Executable Wrapper that makes a standard Windows executable binary (. GNU General Public License (GPL) Sep 9, 2003
jTans jTans is a Java version of Tangram, an ancient Chinese puzzle. GNU General Public License (GPL) Dec 16, 2002
JTrac JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. The Apache Software License May 10, 2006
JUnit JUnit is a simple framework to write repeatable tests. IBM Public License Feb 14, 2002
Just4log Logging optimizator. Just4Log is basically a library to enhance dynamically the performance of various logging systems inside a java application. The Apache Software License Dec 3, 2004
Juxy - Java unit testing for XSLT Juxy is a simple library for unit testing of XSLT templates. The Apache Software License Aug 8, 2005
JXplorer LDAP client An LDAP browser and administration client. A BSD-ish license Oct 5, 2005
JXTA Juxtapose (JXTA) was originally one of Bill Joy's research projects aimed at developing a network programming and computing platform able to solve a number of the problems in modern distributed computing.   Aug 28, 2001
Jython Jython is an implementation of Python written in 100% Pure Java, and seamlessly integrated with the Java platform. Python Copyright (Python) Aug 19, 2002
Karapan Sapi Struts Generator Karapan Sapi is a generator that automatically create files for Struts framework based web application, From an XML meta data, Karapan Sapi will generate: Database creation scripts (SQL DDL) struts-config. GNU Lesser General Public License (LGPL) Apr 17, 2003
kCommand Developnet's kCommand product is an ultra-lightweight generic command architecture that provides a simple and effective mechanism for J2ME clients to execute remote commands on J2EE servers over HTTP. GNU Lesser General Public License (LGPL) Apr 17, 2003
Liferay Enterprise Portal Liferay Enterprise Portal is a Java/J2EE portal system that provides personalization (like Yahoo!), web email (like Hotmail), document library, message boards (like Jive), shopping (e-commerce), Wiki and many other web tools all available in one place. MIT/X Consortium License Jun 23, 2003
Log42jme log4j2me is log4j for j2me platform. The Apache Software License Nov 3, 2005
Lumbermill Lumbermill is a JFC Swing log processing and distribution system for Log4j. GNU General Public License (GPL) Feb 14, 2002
LUSID - electronic Personal Development Planning LUSID is an interactive fully customisable web-based Personal Development Planning (PDP) tool. GNU Lesser General Public License (LGPL) Sep 30, 2005
Luxor XUL Luxor is an open-source XML User Interface Language (XUL) toolkit in Java that supports handpicked Mozilla XUL goodies and includes a web server, a portal engine (supporting RSS), a template engine (Velocity), a scripting interpreter (Python) and much more. GNU General Public License (GPL) Jul 29, 2002
Mapyrus Mapyrus is software for creating plots of points, lines, polygons and labels to PostScript (high resolution, up to A0 paper size), Portable Document Format (PDF), Scalable Vector Graphics (SVG) format and web image output formats. GNU Lesser General Public License (LGPL) Apr 18, 2006
MARC4J MARC4J is an open source library for working with MARC records. GNU Lesser General Public License (LGPL) Apr 17, 2003
Maverik Maverick is a Model-View-Controller (aka "Model 2") framework for web publishing using Java and J2EE. MIT/X Consortium License Apr 17, 2003
Mercator (Java POS) Mercator is a Point of Sale (POS) application written in Java. GNU General Public License (GPL) Feb 14, 2002
Millstone Millstone is a user interface library for development of Internet applications with Java. GNU Lesser General Public License (LGPL) Dec 12, 2002
Mixer Mixer is a helper-class that is easy to use for Servlet programmers that enable a complete separation of Servlet- and HTML-code. GNU General Public License (GPL) Nov 6, 2002
MM.MySQL The MM.MySQL driver was developed in hopes of having a stable, full-featured JDBC driver for MySQL. GNU Lesser General Public License (LGPL) Oct 8, 2002
ModelJ - Generate J2EE-Based Web Sites ModelJ is a RAD (Rapid Application Development) tool that uses code generation to create complete J2EE designs using the Struts and EJB frameworks. GNU General Public License (GPL) Apr 17, 2003
Mondrian Mondrian is an OLAP (online analytical processing) database written in Java. IBM Public License Apr 17, 2003
MrPostman - webmail to POP3 email Gateway MrPostman is an email gateway from local POP clients like Microsoft Outlook, Mozilla's mail client etc. GNU General Public License (GPL) Apr 17, 2003
n-genes N-genes is an evolutionary computing framework for Java5. GNU General Public License (GPL) Nov 29, 2005
NetBeans NetBeans is an open source IDE written in the Java programming language.   Feb 3, 2002
NoUnit NoUnit measures your Junit tests in your project using Java, XML and XSLT. GNU General Public License (GPL) Feb 14, 2002
omega t+ omega t+ is a cross-platform Computer Assisted Translation(CAT) tool suite that currently includes omegat (translation editor tool with numerous features), extspell (an Apsell spellchecker user interface), sentseg (for sentence segmenting of documents), and packages for OmegaT (from which omegat is derived). GNU General Public License (GPL) Jan 21, 2006
Open For Business Open For Business is a project dedicated to developing a set of open source tools and applications for business software. MIT/X Consortium License Dec 20, 2002
Open Source Java Sun sponsors a variety of programs designed to encourage innovation throughout the developer community.   Feb 7, 2001
OpenCCM OpenCCM (Open CORBA Component Model platform) is the first public available open source implementation of the CCM (CORBAC omponent Model) defined by the OMG (Object Management Group). GNU Lesser General Public License (LGPL) Apr 17, 2003
OpenEJB OpenEJB is an open source EJB 2.0 container system.   Oct 8, 2002
OpenEMed Toolkit for building a secure medical record system from open standard components. BSD License (BSD) Jun 23, 2003
OpenI OpenI is a web-based Business Intelligence application. Mozilla Public License (MPL) Jan 19, 2006
OpenJMS OpenJMS is an open source JMS project dedicated to Java messaging development and deployment.   Feb 2, 2002
OpenNMS This web-based network and systems management platform competes with commercial products like HP's OpenView and IBM's Tivoli. GNU General Public License (GPL) Sep 18, 2002
OpenSyncro, eai software for simple integrations OpenSyncro is a lightweight, open source enterprise application integration tool written in Java language. GNU General Public License (GPL) Feb 16, 2006
OSCache OSCache is a JSP tag library and listeners that cache JSP content. A BSD-ish license Jul 29, 2002
OSCore OSCore is a set of core utility-classes, frameworks, and modules that are common to the other components of OpenSymphony. A BSD-ish license Jul 29, 2002
OSWorkflow OpenSymphony Workflow is a very flexible workflow system that can be plugged in to almost any need or existing application. A BSD-ish license Jul 29, 2002
P6Spy P6Spy is an open source framework for applications that intercept and optionally modify database statements. The Apache Software License Apr 17, 2003
PCGen PCGen is a java character generator and maintenance program aimed at supporting all d20 games such as D&D Third Edition, Star Wars, and others. GNU Lesser General Public License (LGPL) Feb 3, 2002
Perst Open Source Database For Java Perst is an object-oriented embedded database for Java applications that need to deal with persistent data. GNU General Public License (GPL) Feb 5, 2006
Phoenix IE Phoenix IE is an information extraction toolkit to parse information from any XML documents to arbitrary java objects. GNU Lesser General Public License (LGPL) Jun 20, 2005
PowerFolder PowerFolder is an easy to use, easy to install J2EE-based workflow server. GNU Lesser General Public License (LGPL) Apr 17, 2003
ProActive ProActive is an open source Java library for parallel, distributed, and concurrent computing, featuring mobility and security in a uniform framework. GNU Lesser General Public License (LGPL) Apr 17, 2003
ProDBA ProDBA is a Java based Oracle front-end. GNU General Public License (GPL) Apr 17, 2003
ProGuard ProGuard is a free Java class file shrinker and obfuscator. GNU General Public License (GPL) May 5, 2003
QueryForm QueryForm is a robust Java application that provides a powerful GUI front end for relational databases. GNU General Public License (GPL) Jun 23, 2003
RETE-DB RETE-DB is a customizable, multi-user web database frontend; suitable for *Address databases, *Bug management, *Todo lists, *File Server. GNU General Public License (GPL) Sep 30, 2005
RmiJdbc RmiJdbc is an open source client/server JDBC driver that relies on Java Remote Method Invocation (RMI). GNU Lesser General Public License (LGPL) Jul 29, 2002
Roller Weblogger Roller is server-based weblogging software - a web application - that is designed to support multiple simultaneous weblog users and visitors. The Apache Software License Oct 24, 2002
Sanshowbean We would like to introdcue a new type of Java bean that provides a way of transforming structured text information into object oriented text information. GNU General Public License (GPL) Jun 8, 2005
Seppia A simple framework to manipulate java objects via javascript in a simple and elegant way. GNU Lesser General Public License (LGPL) Jul 5, 2005
ServiceMix ServiceMix is an open source distributed Enterprise Service Bus (ESB) and SOA toolkit built from the ground up on the semantics and APIs of the Java Business Integration (JBI) specification JSR 208. The Apache Software License Nov 26, 2005
Simple Declarative Language (SDL) The Simple Declarative Language provides an easy way to describe lists, maps, and trees of typed data in a compact, easy to read representation. GNU Lesser General Public License (LGPL) Oct 25, 2005
SipExchange - open source extensible soft-switch SipExchange is an open-source softswitch that provides standard SIP services like registration, proxy and presence. The Apache Software License Mar 24, 2006
SipUnit SipUnit provides a class library that allows software developers to create automated unit tests for SIP applications. The Apache Software License Jun 13, 2005
SiteMesh SiteMesh was built upon the Java Servlet 2.3 API. A BSD-ish license Oct 8, 2002
SnipSnap SnipSnap is an easy to install and easy to use weblog and wiki tool. GNU General Public License (GPL) Nov 12, 2002
SourceJammer A platform-indendent, 100% Java, server-based, SOAP-enabled source code control and versioning system. GNU General Public License (GPL) May 2, 2003
Spindle Spindle provides, as a plugin for the Eclipse Platform, IDE support for Tapestry files in the form of editors and wizards. Mozilla Public License (MPL) Oct 8, 2002
Spring Framework Spring is a J2EE application framework based on code published in the book "ExpertOneonOneJ2EE" by Rod Johnson. The Apache Software License Nov 21, 2003
SQuirreL SQL Client SQuirreL SQL Client SQuirreL SQL Client is a graphical Java program that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc. GNU General Public License (GPL) Feb 14, 2002
Swing-XML Authoring Tool SwiXAT is a Swing-based authoring tool for the quick and easy development of GUI Java applications. The Apache Software License Sep 16, 2005
Tapestry: Java Web Components Comprehensive component-based web application framework. GNU Lesser General Public License (LGPL) Dec 3, 2001
The JADE Open Framework The JADE Open Framework is a RAD tool set for the J2EE. GNU General Public License (GPL) Jul 1, 2002
The Open For Business Project The goal of Open For Business is to create a set of tools and applications for business software and a community of developers and users to benefit from it and contribute to it. MIT/X Consortium License Feb 14, 2002
The XAMJ Project The XAMJ Project aims to develop an XML language, highly integrated with Java, which can be used to develop rich UI applications deployed over the web or launched locally in a user's PC. BSD License (BSD) Jun 13, 2005
toejam TOEJAM is a Java Answering Machine. GNU General Public License (GPL) Apr 17, 2003
TomcatProbe TomcatProbe is a tool to manage and monitor Tomcat instances. GNU General Public License (GPL) Mar 7, 2006
Uncle Unc A framework for decoupling back-end services from client interfaces, allowing a consistent presentation of diverse resources to a user, and ease of migration to new client platforms. GNU General Public License (GPL) Jul 28, 2003
Voruta Simple Data Access Framework for JAVA. The Apache Software License Apr 22, 2003
WebWork WebWork is an HMVC web application framework in Java, developed as Open Source (BSD license) and designed to help create dynamic websites using minimal effort and maximum flexibility. A BSD-ish license Jul 29, 2002
WfMOpen WfMOpen is a J2EE based implementation of a workflow facility (workflow engine) as proposed by the Workflow Management Coalition (WfMC) and the Object Management Group (OMG). GNU General Public License (GPL) May 21, 2004
Winstone Servlet Container Winstone is a servlet container that was written out of a desire to provide servlet functionality without the bloat that full J2EE compliance introduces. GNU General Public License (GPL) Nov 1, 2005
Xbeans Xbeans is an open source project, which serves as a repository.   Feb 1, 2002
XDoclet XDoclet is an extended Javadoc Doclet engine.   Feb 1, 2002
Xineo XML Import Language Xineo XIL (XML Import Langage) defines an XML language for transforming various record-based data sources into XML documents, and provides a fully functional XIL processing implementation. GNU Lesser General Public License (LGPL) Apr 17, 2003
XINS XINS is a Web Services framework supporting SOAP, XML-RPC and REST. BSD License (BSD) Jan 4, 2006
XmlTask xmltask provides the facility for automatically editing XML files as part of an Ant build. GNU Lesser General Public License (LGPL) Jul 29, 2002
XmlTask xmltask provides the facility for automatically editing XML files as part of an Ant build. The Apache Software License Jan 18, 2005
XMLUnit A unit testing framework for XML that leverages the power of JUnit. BSD License (BSD) Jul 28, 2003
XNap XNap is a pure java file sharing client licensed under the GNU Public License. GNU General Public License (GPL) Feb 14, 2002
XUI Rich-client framework XUI is a Java and XML developer toolkit designed to reduce the amount of code needed to build an AWT or Swing rich-client application. Mozilla Public License (MPL) Oct 5, 2005
Ziga A filesharing application written in Java. GNU General Public License (GPL) Feb 14, 2002
ZK Framework A server-side web development framework with AJAX . GNU General Public License (GPL) Dec 26, 2005