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.
AsmMgr is a file manager that is configured to support the AsmIDE family of developemnt tools. It can also be configured as a "mc" clone. Features include: file minipulation, two pannel views, mouse support, integrated shell, and more.