Feeds_afgparser is a project mainly written in ..., it's free.
An AllForGood feed parser plugin for the Drupal Feeds module. (requires SimplePie)
A parser for the custom Footprint XML (fp:tagname) fields in an RSS feed that is generated by an AllForGood API query.
Requires Drupal 6, the Feeds module (latest version), and the SimplePie PHP library.