摘自维基百科: 个人比较喜欢redbean的思路, 但实用需谨慎
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.