UEFI GTP fdisk is a disk partitionning tool running under UEFI/BIOS
UEFI GPT fdisk is a port to UEFI of the famous GPT fdisk partitioning tool, see http://sourceforge.net/projects/gptfdisk/ . Now since this program runs directly under UEFI shell you don't need to *boot* the system to convert/edit partition tables.
Client patcher is designed for patching kRO or Sakray data files. However it is not limited by only patching kRO or Sakray clients. With a few modifications you can make this patcher program for your own private server.