Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)
ERPXE - ERPXE project simplifies the process of installing and customizing a Multi-Boot PXE server.
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
Serva 32/64 - Serva is an Automated PXE Server Solution Accelerator based on an all-in-one portable multi-server engine
FOG Project - A free open-source network computer cloning and management solution
TFTPD32 - A free tftp and dhcp server for windows, freeware tftp server