Partition Manager can create, copy, and resize primary and extended partitions. It includes command line interface and simulation mode that works with large files so you can safely experiment before working on the real hard drive partition tables.

Ranish Partition Manager is a freeware program that partitions hard disks. The program will help you to install and dualboot Linux and multiple copies of Windows.

Ranish Partition Manager combines graphic and command line interfaces.
This software will also increase buffer size to investigate reported crushes
on some systems when users enter cylinder > max_cyl_value.

For example, it will let you to run Win ME, Win 2k, and Linux on a single box. Also, using Partition Manager you can copy, move, and resize disk partitions.