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.

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.

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

Carbonado [7], open source framework, backed by Berkeley DB or JDBC
Castor [8], open source, object/XML/relational mapping tool
Cayenne [9], open source for java
CrossDB [10], open source
Enterprise Objects Framework, Mac OS X/Java, part of Apple WebObjects
FireStorm/DAO [11], generates ORM code from relational schema
Hibernate, [12], open source ORM Framework, widely used
Hydrate [13], open source, relational/object/XML mapping tool
iBATIS [14], maintained by ASF, and with .NET port.
intelliBO by Signsoft [15], implementation of JDO
Java Data Objects (JDO)
JDX [16], commercial
JPOX [17], open source JDO 2 reference implementation
Lychee [18], SQL-centric O/R mapper, open source
OpenAccess [19], commercial JDO implementation, also available on .NET.
OJB, [20],apache, open source, supports OJB, JDO and ODMG API.
SimpleORM [21], open source ORM Framework (lightweight)
Speedo [22], open source implementation of JDO
TopLink by Oracle [23]
Torque by Apache
JDBCPersistence [24] Fast ORM for Java
WebObjects [25] commercial from Apple, includes EOF as the object-relational mapping layer

Briyante Integration Environment [26], commercial
Business Logic Toolkit for .NET [27], open source
Castle ActiveRecord [28], ActiveRecord for .NET, open source
Data Tier Modeler [29], commercial
DataBlock [30], commercial
DataObjects.NET [31], commercial
dOOdads [32], freeware
EasyObjects.NET [33], The O/RM for the Microsoft Enterprise Library, open source
EUSS [34], open source
eXpress Persistent Objects for .NET [35], commercial
Genom-e [36], commercial
Gentle.NET [37], open source
NHibernate [38], open source
iBATIS.NET [39], open source
IdeaBlade_DevForce [40], Free or commercial
Lattice.DataMapper [41], free or commercial
LLBLGen Pro [42], commercial
LLBLGen [43], open source
Neo [44], open source
NJDX [45], commercial
Nolics[46], commercial, auto-update database structure
ObjectMagix [47], O/R mapper for .NET 2.0, commercial with free demo
ObjectMapper .NET [48], GPL and commercial license
OpenAccess [49], commercial, free express version [50], source code available (also available on Java)
Opf3 [51], commercial
ORM.NET [52], open source; GNU license
Persistor.NET [53], free or commercial
Puzzle.NPersist [54], open source
Sooda [55], open source; BSD license
TierDeveloper [56], commercial
Wilson ORMapper for .NET [57], commercial (license includes source code)

Metastorage [65] ORM classes generator tool for PHP 4, PHP 5 or higher, free software (modified BSD license)
Propel (PHP ORM toolkit) [66] ORM and Query-Toolkit for PHP5, inspired from Apache Torque, free software (GNU LGPL)
DB_DataObject [67] PEAR Package, free software (PHP License)
Doctrine [68] Open Source ORM for PHP 5.1, free software (GNU LGPL)
CakePHP [69] Framework modelled on Rails, that uses common design patterns such as ActiveRecord. free software (MIT/Expat license)
EZPDO, [70], A lightweight and easy-to-use PHP persistence solution. free software (modified BSD license)
ADOdb Active Record, [71], 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, [72], PHP5 Framework which provides a lighweight implementation of the TableModule pattern, Solar_Sql_Table, based on Solar_Sql. free software (modified BSD license)

Lists of ORM tools for Python: [73] [74]

Axiom [75], on ORM layer on top of SQLite
Ape [76], an ORM layer on top of the Zope Object Database (ZODB)
SQLAlchemy [77], open source
SQLObject [78], open source
PyDO [79], part of SkunkWeb (open source)
PyDO2 [80], 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 [81] (open source)
ForgetSQL [82], open source
QLime [83], open source
The open source Django web framework includes an object-relational mapper.
Dejavu [84], a public ___domain Data Mapper featuring mixable stores and pure-Python queries.
Twisted Asynchronous Database Api [85], open source, twisted matrix