List of object-relational mapping software

This is a list of well-known object-relational mapping software. This list is neither up-to-date nor all-inclusive.

C++

• LiteSQL, open source
• Hiberlite, open source

Delphi

• Bold for Delphi
• ECO (by Capable Objects) available for delphi 2007 and Delphi Prism 2010

Groovy

• GORM

Java

• Carbonado, open source framework, backed by Berkeley DB or JDBC
• Cayenne, Apache, open source for java
• Ebean, open source ORM Framework
• EclipseLink, Eclipse Persistence Platform
• Enterprise Objects Framework, Mac OS X/Java, part of Apple WebObjects
• Hibernate, open source ORM Framework, widely used
• iBATIS, maintained by ASF, and with .NET port
• Java Data Objects (JDO)
• JPOX, open source JDO 2 reference implementation
• MPF/J, MicroDoc Persistance Frameworks for Java (MPF/J)
• Kodo, commercial implementation of both the JDO and JPA API.
• Object Relational Bridge (Apache OJB), an object-relational mapper for Java
• OpenJPA, Apache, open source, supports JPA API
• TopLink by Oracle
• Torque, an object-relational mapper for Java

.NET

• ADO.NET Entity Framework, Microsoft's ORM (released with .NET 3.5 SP1)
• Base One Foundation Component Library, free or commercial
• Castle ActiveRecord, ActiveRecord for .NET, open source
• DataObjects.NET, GPL and commercial
• Devart LINQ to SQL, commercial, a LINQ engine for Oracle, MySQL, PostgreSQL, and SQLite
• DevForce, commercial, N-Tier
• ECO, Commercial but free for use up to 12 classes
• EntitySpaces, commercial
• Euss, open source
• Habanero, Free open source Enterprise application framework with a Free Code Generation Tool
• iBATIS, Free open source
• LINQ to SQL, Free, .Net framework component
• Neo, open source
• NConstruct, commercial
• NHibernate, open source
• ObjectMapper .NET, GPL and commercial license
• Picasso [1], Free open source with commercial support
• OpenAccess, free or commercial
• Persistor.NET, free or commercial
• Quick Objects, free or commercial
• Subsonic, open source
• nHydrate, open source

PHP

• CakePHP, ORM and framework for PHP5, open source (scalars, arrays, objects). Based on database introspection. No class extending or code generation
• Doctrine, Open Source ORM for PHP 5.2.3, free software (GNU LGPL)
• Propel, ORM and Query-Toolkit for PHP 5, inspired by Apache Torque, free software (GNU LGPL)
• Rocks, Open Source ORM for PHP 5.1 plus, free for non-commercial use (GPL)
• Qcodo, ORM and framework for PHP5, open source
• Redbean, ORM layer for PHP 5 that creates and maintains tables on the fly (BSD)
• Torpor, Open Source ORM for PHP 5.1 plus, free software (MIT), database and OS agnostic

Python

• Django, open source
• SQLAlchemy, open source
• SQLObject, open source
• Storm, open source (LGPL 2.1) developed at Canonical Ltd.
• PhpBURN Framework, open source (GPL 2.0) developed at Bulbo Interactive

Ruby

• ActiveRecord, part of Ruby on Rails (open source)
• Datamapper
• iBATIS, Free open source
• Sequel, free, open source

References