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
Kodo [18], commercial implementation of both the JDO and JPA API.
Lychee [19], SQL-centric O/R mapper, open source
OpenAccess [20], commercial JDO implementation, also available on .NET.
OJB, [21],apache, open source, supports OJB, JDO and ODMG API.
OpenJPA, [22], apache, open source, supports JPA API.
SimpleORM [23], open source ORM Framework (lightweight)
Speedo [24], open source implementation of JDO
TopLink by Oracle [25]
Torque by Apache
JDBCPersistence [26] Fast ORM for Java
WebObjects [27] commercial from Apple, includes EOF as the object-relational mapping layer

Briyante Integration Environment [28], commercial
Business Logic Toolkit for .NET [29], open source
Castle ActiveRecord [30], ActiveRecord for .NET, open source
Data Tier Modeler [31], commercial
DataBlock [32], commercial
DataObjects.NET [33], commercial
dOOdads [34], freeware
EasyObjects.NET [35], The O/RM for the Microsoft Enterprise Library, open source
EUSS [36], open source
eXpress Persistent Objects for .NET [37], commercial
Genom-e [38], commercial
Gentle.NET [39], open source
NHibernate [40], open source
iBATIS.NET [41], open source
IdeaBlade DevForce [42], Free or commercial
Lattice.DataMapper [43], free or commercial
LLBLGen Pro [44], commercial
LLBLGen [45], open source
Neo [46], open source
NJDX [47], commercial
Nolics[48], commercial, auto-update database structure
ObjectMagix [49], O/R mapper for .NET 2.0, commercial with free demo
ObjectMapper .NET [50], GPL and commercial license
OpenAccess [51], commercial, free express version [52], source code available (also available on Java)
Opf3 [53], commercial
ORM.NET [54], open source; GNU license
Persistor.NET [55], free or commercial
Puzzle.NPersist [56], open source
Sooda [57], open source; BSD license
TierDeveloper [58], commercial
Wilson ORMapper for .NET [59], commercial (license includes source code)

Metastorage [67] ORM classes generator tool for PHP 4, PHP 5 or higher, free software (modified BSD license)
Propel (PHP ORM toolkit) [68] ORM and Query-Toolkit for PHP5, inspired from Apache Torque, free software (GNU LGPL)
DB DataObject [69] PEAR Package, free software (PHP License)
Doctrine [70] Open Source ORM for PHP 5.1, free software (GNU LGPL)
CakePHP [71] Framework modelled on Rails, that uses common design patterns such as ActiveRecord. free software (MIT/Expat license)
EZPDO, [72], A lightweight and easy-to-use PHP persistence solution. free software (modified BSD license)
ADOdb Active Record, [73], 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, [74], PHP5 Framework which provides a lightweight implementation of the TableModule pattern, Solar_Sql_Table, based on Solar_Sql. free software (modified BSD license)

Lists of ORM tools for Python: [75] [76]

Axiom [77], on ORM layer on top of SQLite
Ape [78], an ORM layer on top of the Zope Object Database (ZODB)
SQLAlchemy [79], open source
SQLObject [80], open source
PyDO [81], part of SkunkWeb (open source)
PyDO2 [82], 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 [83] (open source)
ForgetSQL [84], open source
QLime [85], open source
The open source Django web framework includes an object-relational mapper.
Dejavu [86], a public domain Data Mapper featuring mixable stores and pure-Python queries.
Twisted Asynchronous Database Api [87], open source, twisted matrix