GParted
Open Source
GParted is an open source disk partition software for creating, deleting and modifying disk 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.
EaseUS Partition Master
Freemium
EaseUS Partition Master as best partition manager software can quickly resize partitions, merge partitions, split partition.
GNU Parted
Open Source
GNU Parted (PARTition EDitor) is a free partition editor, used for creating and deleting partitions.
Compare GNU fdisk with alternatives
Compare EaseUS Partition Master and GNU fdisk and decide which is most suitable for you.
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.