PHP
- Agile Toolkit, open source ORM and active record implementation for UI framework (AGPL)
- CakePHP, ORM and framework for PHP 5, open source (scalars, arrays, objects); based on database introspection, no class extending
- CodeIgniter, framework that includes an ActiveRecord implementation
- Doctrine, open source ORM for PHP 5.2.3, 5.3.X. Free software (GNU LGPL)
- FuelPHP, ORM and framework for PHP 5.3, released under the MIT license. Based on the ActiveRecord pattern.
- PdoMap, open source ORM for PHP 5.x, inspired by Hibernate, free software (GNU LGPL)
- Propel, ORM and query-toolkit for PHP 5, inspired by Apache Torque, free software, MIT
- Qcodo, ORM and framework for PHP 5, open source
- Rocks, open source ORM for PHP 5.1 plus, free for non-commercial use, GPL
- Redbean, ORM layer for PHP 5, creates and maintains tables on the fly, open source, BSD
- Torpor, open source ORM for PHP 5.1 plus, free software, MIT, database and OS agnostic
- Yii, ORM and framework for PHP 5, released under the BSD license. Based on the ActiveRecord pattern.
- Zend Framework, framework that includes a table data gateway and row data gateway implementations.
Read more about this topic: List Of Object-relational Mapping Software