php-msrpc is a PHP binding for MSRPC, which is Microsoft's proprietary protocol for managing Windows servers and the like. It uses the libraries provided by the Samba-TNG project, which is required for use. php-msrpc will enable you to write Web-based administration tools for Windows (such as a user manager) with a Web server running under Linux.
SAPRFC is the extension module for PHP that allows you to call ABAP functions in an SAP R/3 system from PHP scripts. It is also possible to write an RFC server program in PHP, and call PHP functions from ABAP. Other features include using the RFC (Remote Function Call) API to make a call, discovering the interface of a function module, and mapping all RFC types to PHP strings (delivered with a test script that has a similar function to the "Single Test" option in the SE37 transaction).
Boxx News Pro is a PHP/MySQL-based application that allows you to update the news on your Web site from anywhere in the world. It has a secure login and can support multiple admins with a variety of access levels. It allows you to change all settings online and is very easy to install.