ISC DHCP - Enterprise-grade solution for IP address-configuration needs
TFTPD32 - A free tftp and dhcp server for windows, freeware tftp server
Dual DHCP DNS Server - Dual DHCP is a dynamic platform that integrates with DNS server open-source freeware for Linux and Windows.
haneWIN DHCP - haneWIN DHCP Server is a great platform that provides a BOOTP/ DHCP server entirely based on RFC 2131.
DHCP4WHS 0.8.4 - DHCP4WHS 0.8.4 is a versatile platform that is mainly written in C # for the .NET Framework.
Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)