jUDO (java Universal Data Objects) handles coding against a database Independent of database (plugins for db2/Oracle/Cloudscape/mysql/mysql etc).The code is generated "runtime" , just give the method names and jUDO derives the code/sql.
The iChilli mobile J2EE platform provides a J2EE compliant runtime environment for both server and mobile platforms, such as J2ME, MIDP or other CLDC based devices. For example iChilli runs on the PersonalJava enabled Sharp Zaurus and Compaq's iPAQ.
[PROJECT ABANDONED] This project will provide a 100% pure Java database implementation accessible via JDBC. The database is stored in plaintext files and loaded into RAM at runtime. Implements mySQL datatypes for trivial migration to/from mySQL.
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TX4J is a lightweight local transaction framework that allows you to make your Java code transactional. It supports isolation level 0 - 3. TX4J includes a lock manager and a deadlock detection/resolving mechanism.
[RETIRED] Tornado/DB is an object-relational mapping engine for Java. Features
include object caching, multi-table inheritance, compound keys, relationships, XML config., JSP tags, small footprint.
Jirafa is an adaptive filtering system for real-time streamed data. It can be used for analyzing and monitoring market securities, road sensors, network routing information, etc.
Tiger is an object-oriented database, written in java. It uses the concept of primary keys, aggregates, relations and indexes for finding java objects in persistent storage. Tiger have support for transactions and remote access.
picoSQL is an Italian multi-user relational database management system with transactions support. Because it derives from a commercial project, it is already robust, fast, and rather complete.
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Define your database structure and relations once using the ZsqlML (Zenark's SQL Markup Language) XML DTD, and then generate mulitple vendor-specific SQL scripts, thereby solving the issue of SQL script variances across multiple platforms.
Index Cards Library is an Java library implementation of 3x5 index cards. It's just a simple database. Implementation of a display is up to the developer who uses the library.
Open Simp-X is an openly developed Scalable Internet Management Platform - eXtended by plug-ins. Open Simp-X handles all the data and underline structure of Internet Applications.
Information Meta View (IMV) system attempts to create a web standard for information storage in a decentralized database. Information is stored as a graph like structure spanning several service providers.
FTPSearch is a java-based program that garthers URLs from many ftps and stores them in database to provide search function. Currently Postgres and MySQL are available for data storage.
This is a collection of Java based XML technologies allowing for the rapid production of XML Messaging based systems using Java. As an Example there is a (Swing/JDOM) GUI framework, a Message Driven Bean which allow for rapid production / consumption of
DBManager aims to be an Abstraction Layer for JDBC Databases. It hides all Database interaction in the Superclass (DBManager) the Superclass useses the Java reflection framework to gather Informations of Tables and Columns.
Lyophilizer helps developers create systems of JavaBeans without worrying about different persistent/transactional/secure back ends. It is evolving into JDO and currently supports JDBC, EJB and in-memory storage.
zTable is a mini-DBMS written in Java. It has 2 parts: a back-end DBMS engine and a front-end Eclipse editor plugin. The engine can be embeded in any Java application. The Eclipse editor can be useful as a free DBMS for end-users.
J2EE based database access; an alternative to Entity EJBs that allows for much higher performance, easier use, less coding, more dynamic, and more tuned to use with a web presentation layer (such as Tapestry).
Java Object DBMS stores serialized java objects in a file with keys. The keys are automatically maintained. Heavy use of introspection minimizes programming burden. Future plans include transactions, network (RMI, SOAP) access.
AlgebraDB is database in Java. We are looking for volunteers which would like participate in this project as developers. We are planning to develop transaction system, network communication, simple GUI management system and SQL translation into AlgebraDB.
Rodin (Relational Object Dbms Implementing java binding in a Not-proprietary way) is a free implementation of Matisse, the proprietary object database.
This project is still in early stage of developpement.
Xenon is a Java Implementation of the W3c standard XPath and the upcoming W3c standard XMLQuery. It uses a sax parser (instead of DOM) and has therfore a very good perfomance.