BitPrison CAPTCHA is a fully object oriented class
library that provides a CAPTCHA for any PHP Web
site. It features very minimal software
requirements, ease of customization using
parameters or by extending the class, and API
documentation.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
