Comparison of object–relational mapping software

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This table shows some of the major ORM software products currently available.

Software Platform Availability License Version Enterprise License Cost

Autumn

Autumn Python Open source MIT License
DataObjects.net .NET 4.0 Commercial 4.3.5 (2010-09-15[1]) €200–500[2]
DevExpress .NET 4.0 Commercial Q1'10 (2010-05-19) $79–199[3]
Hibernate Java Virtual Machine Open source GNU Lesser General Public License 3.5.5 Final / August 18, 2010
iBATIS Cross-platform Open Source Apache License 2.0
Microsoft ADO.NET Entity Framework .NET 4.0 Part of .NET 4.0 v4.0 (2010-04-12)
nHibernate[1] .NET 2.0 Open source GNU Lesser General Public License 2.1.2.GA (2009-11-22[4])
ODB Cross-platform C++ Dual-licensed GNU General Public License and Proprietary License 1.1.0 / January 26, 2011
SQLAlchemy Python Open source MIT License 0.6.4 / September 7, 2010 (2010-09-07)
Storm Python Open source LGPL 2.1 0.18 / October 26, 2010 (2010-10-26)
Telerik .NET 4.0 Commercial Q1'10 (2010-03-10) $299–599[5]
TopLink Java Virtual Machine Commercial Oracle License 10g
WebORB Integration Server .NET, Java, PHP Commercial & Open source WebORB for .NET and WebORB for Java = Proprietary License, WebORB for PHP = Mozilla Public License WebORB for .NET v.4.2 (Oct 2010), WebORB for Java v.4.0 (Sep 2010), WebORB for PHP (Sep 2008)

References