GParted
Open Source
GParted is an open source disk partition software for creating, deleting and modifying disk partitions.
GNU Parted
Open Source
GNU Parted (PARTition EDitor) is a free partition editor, used for creating and deleting partitions.
gnome-disk-utility
Open Source
Disks (gnome-disk-utility or GNOME Disks or palimpsest) is a udisks graphical front-end included in the gnome-disk-utility package.
Compare GNU fdisk with alternatives
Compare gnome-disk-utility and GNU fdisk and decide which is most suitable for you.
Compare GNU Parted and GNU fdisk and decide which is most suitable for you.