netpd is currently being reworked. The new infrastructure (netpd-server, netpd-client, netpd-patches) is under development and still in a pre-alpha state. The old infrastructure will not be actively maintained anymore, though the code is still available and a server is running on netpd.org:3025.
Old
Visit the old pages, if you're interested in the old netpd infrastructure.
New
If you are interested in the current development of the new OSC -based netpd infrastructure, please visit the according pages on github.com: