Porcupine is an open-source Python based web application server that provides front-end and back-end revolutionary technologies for building modern data-centric Web 2.0 applications.
PunJab is a HTTP jabber client interface. It is a server that allows persistent client connections to a jabber server. It can be used for many things, but its main purpose is to allow for stateless applications (ie web) a stateful connection to jabber.