Open Source Java Software Development Software

db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)

Now part of Apache's Mahout machine learning project at http://mahout.apache.org/-- please see there for latest info and code and releases and support!

Build around JDBC and XML, this tool allows you to maintain visual repesentations of a database's layout, edit table's data, generate code to bind objects to tables, and export data in XML format to easely export data from one database to another.

An Enterprise Focused Java Framework For Rapid Application Development. JAFFA is a Java web application development stack, build around Web 2.0 technologies (ExtJS, DWR, JAWR) with an extensive service architecture, meta-data layer and rules engine (based on JBoss AOP and Drools). It provides an event driven SOA infrastructure with advanced scheduling and queue sub-systems

Nextobjects is an Integrated Development Tool for Entreprise Applications. It use Turbine Torque for code generation. It is based on the Merise method.

From the XML definition of your database, DewDrop will generate clean and human-readable SQL DDL code for any supported target database. This means you can define your database just once in XML, and have it work for any database automatically.

(Pre-Alpha) Cross-Platform ERD to Database Design Tool built in Java. Currently Supports PostgreSQL. Not Feature-Complete.

C/C++/Java source code library and Build Environment. Contains code for threading, inter-thread communication (ITC), sockets, embedded database, parsing, fileio, etc. The majority of the library is designed for embedded development.

Avian Freeware Suite (AFS) provides two things: Developers with libraries for Java Swing Widgets, XML handling, Fortran95 and Pascal; End users (Medical students, doctors, scientists) with productivity tools they can use (quizzes, XML databasing & PDF)

CSBI is a component based framework that allows for inter-component data sharing and access. GINY is an Open Source Graph Library.

The DataBean package is a java library providing functionalities of mapping a database table to a Java class (databean). The instances of the databean classes can perform common database operations without using much of the ugly SQL.

This MEGA ALPHA project (CURRENTLY) provides java tools for : XML file to org.w3c.dom.Document, Document to HashMap (recursive), HashMap to Document (recursive), Document to File or String, Document to XSLT to File or String

Java API wrapper for working with Hibernate.

Now the project is renamed to 'Koru' and the files has been moved to koru project. To get the latest files please visit: https://sourceforge.net/projects/koru/

This open source software benchmarks the queries per second of an Apache Lucene index. It is an Java implementation and uses MultiFieldQueryParser to form a query.

dbXML is a Native XML Database (NXD). NXDs are databases that store XML using an internalized format for faster overall processing. dbXML was developed using the Java 2 Standard Edition version 1.4.

Cross-platform data acquisition and visualization software with an embedded HTTP-server, binary protocol parsing library, protocol emulation server, remote secure administration server, embedded Groovy scripting facilities and HMI (SCADA) visualization module.

Koru project is a small but smart and efficient ORM(Object Relational Mapping) framework focusing on simple and rapid development. For 'ORM' easily,please download Koru! It supports most of popular databases like MYSQL, MS SQLServer,Oracle and so on. It supports all kinds of cascaded query with easy annotations perfectly! including 'one to one','one to many','many to one' and 'many to many'. Its lazy-load rules works well on cascade and any table column. Cached query is available in the Koru,which base on ehcache. It has many excellent features: 1.small and rapid. 2.easy to learn. 3.minimum configuration.but if necessary,you can configure it flexibly too. 4.including easy file uploading and rapid paged query basing on database dialect. 5.easy to put the web form data to database. 6.supporting all kinds of cascaded query. 7.supporting cached query basing on ehcache.

Java Rad+Framework to quickly build client-server application based on mysql. Acce$$like features, localization, upgrade management, persistance, mysql trust management.

Straightforward Java persistence layer. Provides automatic object/relational mapping (ORM) of Java objects to database tables. You just write Java code (no XML or SQL involved) and pBeans takes care of the database layer. It uses annotations.