XML-RSS Feed Generator is a PHP class for generating RSS 2.0 feeds. All feeds are validated by a feed validator. All feed elements are supported. It is simple and easy to define channel properties and item elements. It also enables the usage of sub-tags and attributes.
B-Prolog is a compact and complete CLP system that
runs Prolog and CLP(FD) programs. It is
emulator-based, features comparable performance to
SICStus-Prolog, is robust and portable, and has
been tested extensively in commercial environments.