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.

ColdFusion

• Arf [1] ARF - Active Record Factory
• CFCPowerTools [2] Batch generation of your data layer objects in minutes.
• Reactor [3] Reactor is a very simple API for ColdFusion which generates and instantiates database abstraction CFCs on the fly as needed.
• objectBreeze [4] objectBreeze creates objects directly from your data persistence layer.
• Transfer [5] Transfer is a library for generating Business Objects on the fly and abstracting database transactions through them.

Common Lisp

• CLSQL [6] CLSQL is a Database interface Library for Common Lisp that can access a number of different SQL database engines.

Java

• Castor [7], open source, object/XML/relational mapping tool
• Cayenne [8], open source for java
• CrossDB [9], open source
• Enterprise Objects Framework, Mac OS X/Java, part of Apple WebObjects
• FireStorm/DAO [10], generates ORM code from relational schema
• Hibernate, [11], open source ORM Framework, widely used
• Hydrate [12], open source, relational/object/XML mapping tool
• iBATIS [13], maintained by ASF, and with .NET port.
• intelliBO by Signsoft [14], implementation of JDO
• Java Data Objects (JDO)
• JDX [15], commercial
• JPOX [16], open source JDO 2 reference implementation
• Lychee [17], SQL-centric O/R mapper, open source
• OpenAccess [18], commercial JDO implementation, also available on .NET.
• OJB, [19],apache, open source, supports OJB, JDO and ODMG API.
• SimpleORM [20], open source ORM Framework (lightweight)
• Speedo [21], open source implementation of JDO
• TopLink by Oracle [22]
• JDBCPersistence[23] Fast ORM for Java
• WebObjects[24] commercial from Apple, includes EOF as the object-relational mapping layer

.NET

• Briyante Integration Environment [25], commercial
• Business Logic Toolkit for .NET [26], open source
• Castle ActiveRecord [27], ActiveRecord for .NET, open source
• Data Tier Modeler [28], commercial
• DataBlock [29], commercial
• DataObjects.NET [30], commercial
• dOOdads [31], freeware
• EasyObjects.NET [32], The O/RM for the Microsoft Enterprise Library, open source
• EUSS [33], open source
• eXpress Persistent Objects for .NET [34], commercial
• Genom-e [35], commercial
• Gentle.NET [36], open source
• NHibernate [37], open source
• iBATIS.NET [38], open source
• IdeaBlade_DevForce [39], Free or commercial
• Lattice.DataMapper [40], free or commercial
• LLBLGen Pro [41], commercial
• LLBLGen [42], open source
• Neo [43], open source
• NJDX [44], commercial
• Nolics[45], commercial, auto-update database structure
• ObjectMagix [46], O/R mapper for .NET 2.0, commercial with free demo
• ObjectMapper .NET [47], GPL and commercial license
• OpenAccess [48], commercial, free express version [49], source code available (also available on Java)
• Opf3 [50], commercial
• ORM.NET [51], open source; GNU license
• Persistor.NET [52], free or commercial
• Puzzle.NPersist [53], open source
• Sooda [54], open source; BSD license
• TierDeveloper [55], commercial
• Wilson ORMapper for .NET [56], commercial (license includes source code)

Perl

• Class::DBI [57], open source
• Rose::DB::Object [58], open source
• OOPS [59], open source
• ORM [60], open source
• DBIx::Class [61], open source
• Alzabo [62], open source
• Tangram (Perl [63], open source

PHP

• Metastorage [64] ORM classes generator tool for PHP 4, PHP 5 or higher, free software (modified BSD license)
• Propel (PHP ORM toolkit) [65] ORM and Query-Toolkit for PHP5, inspired from Apache Torque, free software (GNU LGPL)
• DB_DataObject [66] PEAR Package, free software (PHP License)
• Doctrine [67] Open Source ORM for PHP 5.1, free software (GNU LGPL)
• CakePHP [68] Framework modelled on Rails, that uses common design patterns such as ActiveRecord. free software (MIT/Expat license)
• EZPDO, [69], A lightweight and easy-to-use PHP persistence solution. free software (modified BSD license)
• ADOdb Active Record, [70], Recently, ADOdb, a well-known PHP database abstraction layer, has included an implementation of ActiveRecord as well. free software (dual licensed, modified BSD license + GNU LGPL)
• Solar PHP, [71], PHP5 Framework which provides a lighweight implementation of the TableModule pattern, Solar_Sql_Table, based on Solar_Sql. free software (modified BSD license)

Python

Lists of ORM tools for Python: [72] [73]

• Ape [74], an ORM layer on top of the Zope Object Database (ZODB)
• SQLAlchemy [75], open source
• SQLObject [76], open source
• PyDO [77], part of SkunkWeb (open source)
• PyDO2 [78], an implementation of PyDO with no dependencies on SkunkWeb, with many other improvements over PyDO, in particular a more elegant declarative syntax. PyDO2 requires Python 2.4.
• MiddleKit, part of Webware [79] (open source)
• ForgetSQL [80], open source
• QLime [81], open source
• The open source Django web framework includes an object-relational mapper.
• Dejavu [82], a public ___domain Data Mapper featuring mixable stores and pure-Python queries.
• Twisted Asynchronous Database Api [83], open source, twisted matrix

Ruby

• Active Record [84], part of Ruby on Rails [85] (open source)
• Og [86] part of Nitro [87] (open source)
• Rubernate [88]
• Lafcadio [89]

Smalltalk

• GLORP [90], open source

C++

• DTL [91], Database Template Library