Skipper is a visualization tool and code/schema generator for PHP ORM frameworks like Doctrine2, Doctrine, Propel, and CakePHP, which are used to create database abstraction layer.
Import/export of the schema definitions uses XSL transformations powered by LibXslt library.
[11] Frameworks supported for visual model and schema files generation:[12] Skipper was created as an internal tool for the web applications developed by Inventic.
[13][14] Application was reworked and optimized in January 2013, and released as ORM Designer 2.
[14][16][17] In June 2014, ORM Designer version 3 was released and rebranded under the name of Skipper[6]