Download original Dc++
Direct Connect allows you to share files over the Internet without restrictions or limits.
with over thirty five million downloads just for dc++ client
There is much more clients that are also popular and have integrations like winamp, Itunes..
Get links on wikipedia for various DC clients for all OS, and you can find there software to make a hub.
Other applications like:

oDC: HERE
PeerWeb DC++, RevConnect, StrongDC++, DC Pro, McDC++ and more: HERE
See a great tutorial with pictures how to setup and connect dc++ HERE
and another one HERE
and see how to connect your proxy with DC HERE