Gnucash to MySQL export script. Please view the perldoc for more details. You might also be interested in reading a blog post about it.
Note that this is old software from a long time ago. I'm only putting it on GitHub as a public service in case anyone's interested.
2006-11-23: version 1.8 * Update to use only standard, generic Perl modules * Add new features to track custom category overlay * Add documentation
Licensed as MIT. Please see the LICENSE file for details.