Here you find HowTos to help you install and configure them on OpenWrt:
opendchubis a Unix/Linux version of the hub software for the Direct Connect network written in C
uhubis a high performance peer-to-peer hub for the ADC network written in C published under the GPLv3 with IPv6 support
opkg update opkg install opendchub
opendchuband answer the questions. The default port is 411
/root/.opendchub/configand set hub_hostname to the hostname of your router
/etc/rc.localto start opendchub when the router boots.