Object Persistence

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» Abra - A Java library and a set of tools that can be used for storing and retrieving Java object in a relational database. [Open source, BSD license]
» Apache OJB - An Object/Relational mapping tool that allows transparent persistence for Java Objects against relational databases. Provides JDO and ODMG APIs. [Open Source, Apache]
» COBRA - An object persistence layer written in Java which uses a relational database to provide persistent storage, whilst shielding programmers from the details of relational database access. [Open Source, GPL]
» CarrierWave - provides the following features: Build generated client side data objects structurally mirroring server side business objects; Pluggable persistence, and logging layers; Pluggable binding between client and server (over RMI, JMS, or directly in same proce
» CocoBase Enterprise O/R - Object/Relational mapping tool, with customized mappings for each major EJB server (including JBoss) [Commercial].
» DB Objects for Java - Lightweight and flexible solution for storing and retrieving java objects into and from relational databases, without using SQL. [Open Source, LGPL]
» DODS (Data Object Design Studio) - An Object-Relational Mapping Framework with a GUI Editor that lets you automatically create Java objects that map to relational databases. [Open Source, Mozilla-like]
» FireStorm - Generates persistence tier and query service for relational databases. Generated code is based on the Data Access Object (DAO) design pattern. It offers the choice of generating implementation logic based on JDBC or EJB.
» FormPers - A persistence framework with forms automation. It support on-the-fly SQL table creation/structure modification base on definition in Java class, automated form creation and automated form result parsing. [Freeware]
» Hibernate - A object/relational persistence and query service for Java. To support a rapid build procedure, Hibernate rejects the use of code generation or bytecode processing. Instead runtime reflection is used and SQL generation occurs at system startup time. [Open
» J-Database Exchange (JDX) - A cross-platform solution for transactional persistence of Java objects . By Software Tree, Inc. [Commercial]
» JDBM - A simple transactional persistence engine for Java. It can used to store a mix of objects and BLOBs, and all updates are done in a transactionally safe manner. JDBM also provides scalable data structures, such as HTree and B+Tree, to support persistence o
» JDO vs. EJB by Gopalan Suresh Raj - Compares and contrasts the Two Persistence Frameworks provided Java. Java Data Objects(JDO) which provides Language Transparent Orthogonal Persistence with Enterprise JavaBeans(EJB) that provides Functional Persistence.
» JORM (Java Object Repository Mapping) - The ObjectWeb open source adaptable persistence service. It is used to offer CMP 2.0 for the JOnAS server, as well as Speedo, a JDO implementation. [Open source, LGPL]
» ObJectBridge - A framework that provides transparent persistence of Java objects for JDBC-compliant RDBMS. Provides an ODMG 3.0 compatible transactional object server as a client-interface and uses XML-based O/R Mapping. [Open Source, LGPL]
» Object-Relational Mapping - Information and facts about object-relational mapping products, architecture problem-solving, and direction in product comparison and selection.
» Osage - Object-Relational mapping for JDBC databases, with XML features. [Open Source, LGPL]
» Player (Persistence Layer) - For relational databases. [Open source]
» Prevayler - Transparent Persistence for Java - Write plain Java classes: no pre or post-processing required; runs on any VM; no inheritance from base-class required. [Open source, LGPL]
» SerializeDB - A library for mapping Java objects to a relational database. [Free developer and commercial enterprise editions]
» SimpleORM - Simple Object Relational Mapper - Implement low overhead object/relational mapping on top of Java JDBC. [Open source]
» TopLink - Commercial object-relational bridge by Oracle. Available for Java, WebLogic, and WebSphere.
» Torque - An XML-based persistence layer. Part of the Apache Jakarta family. [Open Source, BSD-like]
» XML Persistence - An Java transactional XML DOM persistence (PDOM) library. Using W3C DOM Java API, developers can store partial or complete document in database. [Open source, BSD License]
» jRelationalFramework - A lightweight framework that was written to automate the most tedious 80% of relational database access coding and leave the other 20% to the developer. [Open Source, MPL]
» jStorm - Simple tool for object-relational mapping, based on DbObjects, with mechanisms for aggregation and concurrency stamps. [Open Source, GPL]
» sysXs - A platform for integration and automation for the use in enterprises. It provide XML based persistent object services for Web server Java servlets and Java applications.