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.
Parted Magic
Commercial
Parted Magic is a commercial Linux distribution with disk partitioning and data recovery tools, Backup and Restore sold as a Linux-based bootable disk.
Compare Active@ Partition Manager with alternatives
Compare GParted and Active@ Partition Manager and decide which is most suitable for you.
Compare Parted Magic and Active@ Partition Manager and decide which is most suitable for you.
Compare gnome-disk-utility and Active@ Partition Manager and decide which is most suitable for you.