Object-Relational mapping for JDBC databases, with XML features. [Open Source, LGPL]

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]

Implement, low overhead object/relational mapping on top of Java JDBC. [Open source]

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.

A database persistence framework including query API, ORM, data validation/conversion, stored procedure support, code generation. Download and documentation are offered. [Open source, LGPL]

Initially began as a solution for Object/Relational persistence. Supporting this involved the creation of many utility classes and tools that could be used to accelerate any application development effort. [Open source, LGPL]

Information and facts about object-relational mapping products, architecture problem-solving, and direction in product comparison and selection.

Typical means of establishing uniqueness and identity in databases, and thus Hibernate, don't necessarily suit Java's identity-oriented equals() and hashCode() methods. James Brundege has another idea for how to solve this problem.

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]

A lightweight persistence framework for Java (JDK5 or later). [Open source, GPL]