Ontofox source code is hosted in Github: https://github.com/OntoZoo/ontofox.
Official Ontofox Source Code Releases:
Version 1.0: Released when the Ontofox paper was published in June 2010. The source code of the Ontofox software was provided as the Additional file 3 of the original Ontofox publication. This zip file (Size: 1.5MB) includes PHP source code of the Ontofox website and the Java source code of for reformatting/trimming owl (RDF/XML) output file.
Version 1.1: Released on April 4, 2011. The zip version of souce code version 1.1 is available for download at: http://code.google.com/p/ontofox/downloads/detail?name=ontofox1.1.zip
Moved to Github. https://github.com/OntoZoo/ontofox
The souce source code is made available under Apache License 2.0.