PHP Forms Anti Spam has been released! This is my new standalone anti-spam library for PHP forms. The library helps reduce spam by performing a series of checks to detect malicious sources of spam for contact forms and is simple to add to existing forms in your PHP site.
Note - this is not a Wordpress or CMS plugin - it is a standalone library for non CMS based sites.
More information including links to documentation and demonstration and purchasing options are available from the PHP Forms Anti Spam product information page.