"Sovix is the PHP-based, extensible, customizable, semantic website revision system [...]
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* Sovix at GNU Project http://www.gnu.org/software/sovix/
* Sovix at Free Software Directory http://directory.fsf.org/project/sovix/
* Sovix at Savannah - https://savannah.gnu.org/projects/sovix/
* Sovix at sovix.org - http://www.sovix.org/
