UPnP standards and specifications
UPnP software
- Linux IGD - IGD stack
- miniupnpd - IGD stack
- GUPnP - UPnP framework for GNOME
- Miranda - UPnP administration tool
UPnP hacking
These people made that infamous UPnP hack using Flash. Granted, it only works with some routers (forget Broadcom based devices, the URLs they use can change per reboot), but it is still a cool hack, that shows that LAN security can be perverted.