Comparison of object–relational mapping software

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Comparison of Object-Relational Mapping Software

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

Orm Platform Availability Licence Version Enterprise Licence Cost
nHibernate[1] .Net 2.0 Open Source GNU Library or GNU Lesser General Public License 2.1.2.GA (2009-11-22[1])
Microsoft ADO.NET Entity Framework .Net 4.0 Part of .Net 4.0 v4.0 (2010-04-12)
Telerik OpenAccess .Net 4.0 Commercial Q1'10 (2010-03-10) $299–$599[2]
DataObjects.net [2] .Net 3.5 Commercial & Open Source[3] 4.2 (2010-03-02[4]) $1995[5]
DevExpress XPO - eXpress Persistent Objects .Net 4.0 Commercial Q1'10 (2010-05-19) $79–$199[6]

References