Comparison of object–relational mapping software

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

Orm Platform Availability Licence Version Enterprise Licence Cost

Autumn

Autumn Python Open Source MIT License
DataObjects.net .Net 3.5 Commercial & Open Source[1] 4.2 (2010-03-02[2]) $1995[3]
DevExpress .Net 4.0 Commercial Q1'10 (2010-05-19) $79–$199[4]
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 Library or GNU Lesser General Public License 2.1.2.GA (2009-11-22[5])
SQLAlchemy Python Open Source MIT License 0.6.4 / September 7, 2010 (2010-09-07)
Storm (software) 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[6]
TopLink Java Virtual Machine Commercial Oracle Licence 10g

References