Object-Relational Persistence

Compass : Java Search Engine Framework
Compass is a first class open source Java Search Engine Framework, enabling the power of Search Engine semantics to your application stack decoratively. Built on top of the amazing...
OJB - Apache ObJectRelationalBridge
Apache ObJectRelationalBridge (OJB) is an Object/Relational mapping tool that allows transparent persistence for Java Objects against relational databases.
Castor
Castor is an Open Source data binding framework for Java[tm]. It's the shortest path between Java objects, XML documents and relational tables. Castor provides Java-to-XML binding,...
Prevayler - The Open Source Prevalence Layer
System Prevalence is an elegant and powerful system architecture pattern. Benefits Power - You are free to implement your business logic and store your business data using an...
SimpleORM
SimpleORM is a simple object relationship mapping sytestem that avoids exotic technologies such as byte code generation. SimpleWeb is a framework that can use SimpleORM to implemen...
Voruta
Voruta is a data access framework for embedding SQL statements in Java methods using custom javadoc tags and dynamic code generation at runtime. QDox is used to parse metadata a...
TriActive JDO
TriActive JDO (TJDO) is an open source implementation of Sun's JDO specification (JSR 12), designed to support transparent persistence using any JDBC-compliant database. TJDO has b...
JDBCPersistence
JDBCPersistence is an Object Relational Mapping Framework. Designed for use in high volume online banking application the package delivers performance matching of that exhibited by...
Mr. Persister
Mr. Persister aims at providing a simple yet complete relational persistence API. The implemented/planned features includes easier JDBC operations via JDBC templates (Spring style)...
PAT - Persistent Applications Toolkit
PAT stands for "Persistent Applications Toolkit". Like many other software it simplifies developing of persistence layers of business applications. It does it by providing object-o...