List of object–relational mapping software

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




Objective-C, Cocoa[edit]

  • Enterprise Objects, one of the first commercial OR mappers, available as part of WebObjects
  • Core Data, object graph management framework with several persistent stores, ships with Mac OS X and iOS



  • Laravel, framework that contains an ORM called "Eloquent" an ActiveRecord implementation.
  • Doctrine, open source ORM for PHP 5.2.3, 5.3.X., 7.4.X Free software (MIT)
  • CakePHP, ORM and framework for PHP 5, open source (scalars, arrays, objects); based on database introspection, no class extending
  • CodeIgniter, framework that includes an ActiveRecord implementation
  • Yii, ORM and framework for PHP 5, 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.
  • Laminas, framework that includes a table data gateway and row data gateway implementations
  • Propel, ORM and query-toolkit for PHP 5, inspired by Apache Torque, free software, MIT
  • Qcodo, ORM and framework for PHP 5, open source
  • QCubed, A community driven fork of Qcodo
  • Redbean, ORM layer for PHP 5, for creating and maintaining tables on the fly, open source, BSD
  • Skipper, visualization tool and a code/schema generator for PHP ORM frameworks, commercial


  • Django, ActiveRecord ORM included in Django framework, open source
  • SQLAlchemy, open source, a Data Mapper ORM
  • SQLObject, open source
  • Storm, open source (LGPL 2.1) developed at Canonical Ltd.
  • Tryton, open source
  • web2py, the facilities of an ORM are handled by the DAL in web2py, open source
  • Odoo – Formerly known as OpenERP, It is an Open Source ERP in which ORM is included.



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

See also[edit]