1. A system, comprising: a server to execute a server application module to cause said server to receive request packets from, and send response packets to, a client computer system executing a web based client application, wherein said packets comprise input data, output data and control commands associated with a feature; wherein said server is further to execute a script engine module coupled to said server application module, said script engine module to cause said server to identify a plug-in application on a remote server base at least on said input data received in said server from web based client application in said client computer system, download said plug-in application to said server, execute said plug-in application utilizing said input data in said server under control of said server application module, and pass said output data resulting from said execution of said plug-in back to said web based client application in said client computer system, wherein said plug-in application implements said feature.