A simple SIP and RTP NAT friendly proxy for SIP based VoIP
jNuFw is a library and a client written in Java to the authenticating firewall NuFw.
really simple (minimal) implemention for client only igd from upnp, contains just enough to allow you to open/delete ports on a upnp router. uses libcurl, libxml2 and libxslt
This project started because I wanted to learn how to use the libpcap library with Objective C. Would like to include something like this: http://drdobbs.com/showArticle.jhtml?articleID=199102239&queryText=networking+computers