PHP Merge XML is a class that can merge XML documents from strings, files, or DOM objects. The resulting document can be searched using a XPath query string or returned as a string or a DOM object. It provides options to control whether the nodes with the same path or name are replaced or added sequentially.
fkchk is a MySQL InnoDB/XtraDB foreign key checker and repairer. It is useful if you suspect that your database's foreign keys may be broken, or if you disable foreign key checks and now want to be sure that the data is consistent. It is also useful if you have suffered a performance hit and want to check the consistency of foreign keys to verify that they're not the reason. It can attempt to repair any issues it finds, but this option should not be used and is only implemented for testing purposes.
Brimbox is a database system that was designed to bridge the gap between spreadsheets and custom databases. It is intended to be an alternative to Access and Filemaker. Although Brimbox has its own modular approach, it is customizable in the spirit of Wordpress, though it is a database interface and not a CMS.
URL Router is a PHP class that can match URLs with routes for controllers and actions. It takes the definition of one or more routes with string expressions that define patterns to match given URLs. It supports a special route pattern syntax that allows defining how to extract the name of the controller and action from the URL. The class returns an array with the details of the matched route.