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.
MiniTool Partition Wizard is a partition manager software that supports 32/64 bit Windows Operating System.Bundleware
Bundled with some Antivirus installer
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/
AOMEI Partition Assistant is a disk partition management software which has earned good reputation among worldwide users. It comes with so many powerful features that you can completely control your hard disk and partition.
DiskGenius, previously PartitionGuru, is full-featured partition manager, which is designed to optimize disk usage for Windows users.
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.
The Parted Magic OS employs core programs of GParted and Parted to handle partitioning tasks with ease, while featuring other useful programs (e.g. Partition Image, TestDisk, fdisk, sfdisk, dd, and ddrescue) and an excellent set of documentation to benefit the user.
You may create, delete, format and name partitions on your computer without shutting down the system. Portable partition utility: you can just copy the installed files and run. With the portable version you cannot resize a partition.
Macrorit Disk Partition Expert Free Edition is powerful free partition software allows you to extend partition (especially for system partition), settle low disk space problem, manage disk space easily on MBR and GUID partition table (GPT) disk.