EasyRdf is a PHP library designed to make it easy to consume and produce RDF. It was designed for use in mixed teams of experienced and inexperienced RDF developers.
Sparql Query Builder is a PHP class that can be used to compose queries to XML RDF documents using SPARQL. It can compose and generate queries for sending to a SPARQL end point that can extract semantic information from RDF documents.
A tool to easily convert an Oracle database to a PostgreSQL database.
A fully-functional PHP Datagrid in just seven lines of code.