Makers of the BootIt line of multi-boot and partitioning utilities. Intel platform shareware.

Create, resize, convert, and copy FAT16, FAT32, NTFS, and Linux partitions. [Windows 9x/ME/NT/2000/XP]

Offers partition recovery software which also checks and repairs MBR and boot sectors. [Windows 95/98/Me, MS-DOS, Freedos]

NetBSD-based bootfloppy/CD-ROM that allows easy cloning of PC harddisks to deploy a common setup on a number of PCs using FTP. [BSD license]

Partition Logic is a free hard disk partitioning and data management tool. It can create, delete, format, defragment, resize, and move partitions and modify their attributes.

Customizable boot manager and partitioner in one shareware package. Compatibility with Windows, DOSes, Linux, FreeBSD, SCO OpenServer, OS/2 (Warp, Merlin) Solaris, Oberon, Theos, BeOS and others systems.

Detailed tutorial on how to use FDISK to partition hard disk drives.

Command line tool to directly modify the MBR. Designed to set partitions active, sort, delete, hide partitions, as well as backup and restore copies of the MBR. [Windows 9x/XP/2K/2003/PE/Vista, DOS and Linux]

Professional partition management. Allows create, move, partitions with data (FAT16/32/32x, NTFS, Ext2/3 FS Reiser FS), delete, and convert partitions all without data destroy. Software description, screenshots, FAQs, and demo download.

An effective boot manager, which allows the easy install and use of multiple operating systems on a single hard drive. Directly install other OSs to extended partitions and logic drivers. [DOS/Windows/Linux]