Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
ERPXE - ERPXE project simplifies the process of installing and customizing a Multi-Boot PXE server.
Win32 Disk Imager - Create and restore image backups of disk drives.
Serva 32/64 - Serva is an Automated PXE Server Solution Accelerator based on an all-in-one portable multi-server engine