List of object-relational mapping software

This is a list of well-known object-relational mapping software. It is not up-to-date or all-inclusive.

Contents 1 C++ 2 Flex 3 Java 4 Groovy 5 .NET 6 Object Pascal (Delphi) 7 Objective-C, Cocoa 8 Perl 9 PHP 10 Python 11 Ruby 12 Smalltalk 13 Visual Basic 6.0 14 See also 15 References

C++

Name	Open source	License	Framework-specific	Qt support	Boost support	MySQL support	PostgreSQL support	SQLite support	XML support	Oracle support	MSSQL Server support	ODBC support	IBM DB2 support
LiteSQL	Yes	BSD	no	Yes		Yes	Yes	Yes
ODB	Yes	GPL/other	no	Yes	Yes	Yes	Yes	Yes		Yes
QDjango	Yes	LGPL	yes, Qt	Yes	Yes	Yes	Yes	Yes
QxOrm	Yes	LGPL	yes, Qt	Yes	Yes	Yes	Yes	Yes		Yes	Yes	Yes	Yes
Wt::Dbo	Yes	GPL / commercial	yes, Wt	No	Yes	Yes	Yes	Yes	No	No	No	No	No

Flex

• Athena Framework, open source Flex ORM, native support for multitenancy

Java

• Cayenne, Apache, open source for Java
• Kodo, commercial implementation of both Java Data Objects and Java Persistence API
• Torque, an object-relational mapper for Java
• Athena Framework, open source Java ORM, native support for multitenancy SaaS and remoting to Adobe Flex
• Carbonado, open source framework, backed by Berkeley DB or JDBC
• 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
• MyBatis, formerly named iBATIS, has .NET port
• iBATIS, maintained by ASF, inactive as of 2010
• Java Data Objects (JDO)
• Java Object Oriented Querying (jOOQ)
• Java Persistence API (JPA)
• DataNucleus, open source JDO and JPA implementation
• JPOX, open source JDO 2 reference implementation
• Object Relational Bridge (Apache OJB), an object-relational mapper for Java; as of 2011/01/16, Apache ObJectRelationalBridge was retired
• OpenJPA, Apache, open source, supports JPA API
• ORMLite, lightweight open source framework supporting JDBC and Android
• Sormula, lightweight open source ORM
• TopLink by Oracle
• QuickDB ORM, open source ORM framework (GNU LGPL)
• JEPLayer, ORM focused on JDBC and JTA transactions (Apache v2)

Groovy

• GORM

.NET

• ADO.NET Entity Framework, included in .NET Framework 3.5 SP1 and above
• AgileFx, open source
• Base One Foundation Component Library, free or commercial
• Dapper, Simple SQL object mapper for ADO.NET
• Devart LinqConnect, commercial, an ORM solution for Oracle, MySQL, PostgreSQL, and SQLite
• Castle ActiveRecord, ActiveRecord for .NET, open source
• DatabaseObjects .NET, open source
• DataObjects.NET, commercial
• DevForce, commercial, N-tier
• ECO, commercial but free use for up to 12 classes
• EntitySpaces, commercial
• Habanero, free open source enterprise application framework with a free code generating tool
• MyBatis, free open source, formerly named iBATIS
• iBATIS, free open source, maintained by ASF but now inactive.
• LINQ to SQL, included in .NET Framework 3.5
• LLBLGen Pro, commercial
• Mintiera, free or commercial, creates open source by reverse mapping physical data model
• Neo, open source
• NHibernate, open source
• nHydrate, open source
• ObjectMapper .NET, GPL and commercial license
• OpenAccess ORM, by Telerik free or commercial
• Persistor.NET, free or commercial
• Quick Objects, free or commercial
• Signum Framework, open source
• SubSonic, open source
• XPO, commercial, by DevExpress

Object Pascal (Delphi)

• Bold for Delphi
• ECO by Capable Objects, available for Delphi 2007 and Delphi Prism 2010

Objective-C, Cocoa

• Core Data, object graph management framework with several persistent stores, ships with Mac OS X and iOS

Perl

• DBIx::Class
• ObjectDB

PHP

• CakePHP, ORM and framework for PHP5, open source (scalars, arrays, objects); based on database introspection, no class extending
• CodeIgniter, framework that includes an ActiveRecord implementation
• MVC MED, open source MVC with basic functions integred, and mapping classes generator from MySQL database.
• Doctrine, open source ORM for PHP 5.2.3, 5.3.X free software (GNU LGPL)
• PdoMap, open source ORM for PHP 5.x, inspired by Hibernate, free software (GNU LGPL)
• Eloquent ORM, ORM bundled with the Laravel PHP micro framework
• Kohana, framework that includes ActiveRecord implementation
• Propel, ORM and query-toolkit for PHP 5, inspired by Apache Torque, free software, MIT
• 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, creates and maintains tables on the fly, open source, BSD
• Torpor, open source ORM for PHP 5.1 plus, free software, MIT, database and OS agnostic
• Yii, ORM and framework for PHP5, released under the BSD license. Based on the ActiveRecord pattern.
• FuelPHP, ORM and framework for PHP 5.3, released under the MIT license. Based on the ActiveRecord pattern.
• Zend Framework, framework that includes table data gateway and row data gateway implementations

Python

• Dejavu, Open Source thread-safe Object-Relational Mapper for Python applications
• Django, ORM included in Django framework, open source
• SQLAlchemy, open source
• SQLObject, open source
• Storm, open source (LGPL 2.1) developed at Canonical Ltd.
• Tryton, open source
• web2py, ORM named DAL is included in web2py framework, open source

Ruby

• ActiveRecord, part of Ruby on Rails, open source
• Datamapper
• iBATIS, free open source

Smalltalk

• TOPLink/Smalltalk, by Oracle, the Smalltalk predecessor of the Java version of TOPLink

Visual Basic 6.0

• DatabaseObjects, open source

See also

• Comparison of object-relational mapping software

References