GPT fdisk is a disk partitioning tool loosely modeled on Linux fdisk, but used for modifying GUID Partition Table (GPT) disks. The related FixParts utility fixes some common problems on Master Boot Record (MBR) disks.
Disk Command is GUI to use in Windows PE for managing Disk and partition configurations. Disk Command is currently in BETA and may not fully function. At this point, I have completed the Manage partitions section but may move button layout.
When running the exe from a commandline you need to change directory to the directory that contains the exe
Gptgen is a tool to non-destructively convert hard disks partitioned in the common, "MSDOS-style" MBR scheme (including extended partitions) to use a GUID partition table (GPT).