GParted is a GTK+ frontend to GNU Parted and the official GNOME Partition Editor application. It is used for creating, deleting, resizing, moving, checking and copying partitions, and the file systems on them.
GParted vs GNU fdisk opinions
fdisk has more options to edit the device such as writing an MBR as a major one whereas GParted just let's you change the table.
EASEUS Partition Master Home Edition is a free disk partitioning utility that offers a range of powerful functions such as resizing partitions, copying partitions, creating new partitions, deleting partitions, formatting partitions, converting partitions, exploring partitions...Bundleware
The installer contains bundled adware. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Also known as palimpsest, gnome-disk-utility provides libraries and applications for dealing with storage devices.
KDE Partition Manager is a utility program to help you manage the disk devices, partitions and file systems on your computer. It allows you to easily create, copy, move, delete, resize without losing data, backup and restore partitions.
GNU Parted manipulates partition tables. This is useful for creating space for new operating systems, reorganizing disk usage, copying data on hard disks and disk imaging. The package contains a library, libparted, as well as well as a command-line frontend, parted, which can...
diskpart is a command-line hard disk partitioning utility included in versions of the Windows NT operating system line from Windows 2000 onwards, replacing fdisk which was used in MS-DOS based operating systems.