Active Partition Recovery 

Active Partition Recovery is compact DOS software tool that helps to recover (undelete) deleted partition and logical disks on PC hard disk drives.
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Partition Table Doctor 

Partition Table Doctor is the only real data recovery software for hard disk partition recovery, it automatically checks and repairs mbr, partition table, boot sector of partition error to recover FAT16/ FAT32/NTFS/EXT2/EXT3/SWAP partitions.
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