This is the source for Kea, developed by Internet Systems Consortium.

Kea provides DHCPv4 and DHCPv6 servers, a dynamic DNS update module,
a portable DHCP library, libdhcp++, and a DHCP benchmarking tool,
perfdhcp.

Th developers website is at http://kea.isc.org/

Limitations and known issues with this DHCP release can be found
at http://kea.isc.org/wiki/KeaKnownIssues