This table shows a comparison of notable and available ORM software products.
| Software | Platform | Availability | License | Version | Persistence Specification | |
|---|---|---|---|---|---|---|
| Apache Cayenne | Java | Open source | Apache License 2.0 | / ; | ||
| Dapper | .NET 4.0 | Open source | Apache License 2.0 | 1.8 NuGet | ||
| DataNucleus | Java | Open source | Apache License 2 | 4.1.0.RELEASE / May 19, 2015 | JDO | |
| Perl | Open source | Artistic License 1.0 & GPL | 0.082843 / [1] | |||
| Django | Python | Open source | BSD licenses | ; | ||
| Doctrine | PHP | Open source | MIT | 2.14.1 / January 16, 2023 | ||
| EclipseLink | Java | Open source | Eclipse Public License Version 1.0 (EPL) and Eclipse Distribution License Version 1.0 (EDL) | 2.4.2 / July 4, 2013 | JPA 2.0 | |
| Entity Framework Core | .NET | Open Source | Apache License 2.0 | 6.0 / November 10, 2021 | ||
| Hibernate | Java | Open source | GNU Lesser General Public License | 5.4.31 / April 30, 2021 | JPA 2.0 | |
| MyBatis/iBATIS | Cross-platform | Open source | Apache License 2.0 | |||
| jOOQ | Java | Open source | Apache License 2.0 and Proprietary License | 3.2.0 / October 9, 2013 | ||
| Microsoft ADO.NET Entity Framework | .NET Framework 4.5 | Part of .NET 4.5 | Apache License 2.0[2] | v6.0 (2014) | ||
| nHibernate | .NET Framework 4.6.1 | Open source | GNU Lesser General Public License | 5.3.12 (2022-05-01) | ||
| RedBeanPHP | PHP | Open source | BSD License | |||
| SQLAlchemy | Python | Open source | MIT License | |||
| SQLObject | Python | Open source | LGPL | 2023-08-09 / 3.10.2 | ||
| Skipper | PHP | Commercial | Proprietary software | 3.0 | ||
| Storm | Python | Open source | LGPL 2.1 | 0.20 / | ||
| TopLink | Java | Commercial | Oracle License | 10g | JPA | |