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.
Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)
PumpKIN TFTP Server and Client - windows and OSX implementation of tftp server and tftp client
wodDHCPServer - wodDHCPServer is a powerful DHCP server component that provides a valuable service of passing configuration information to hosts on multiple networks, including IP and TCP.