DMDE is a powerful software for data searching, editing, and recovery on disks.
It may recover directory structure and files in some complicated cases by using special algorithms when other software can't help. The software is checked, listed, and awarded in catalogs.
DMDE has many freeware features such as a disk editor, a simple partition manager (i.e., allows undelete a partition), a tool to create disk images and clones, a RAID constructor, and file recovery from the current panel. Paid editions support file and directory recovery without restrictions; DMDE Professional Edition has additional features to recover clients' data; you can compare editions at the author's site.
DMDE supports NTFS, FAT12/16, FAT32, exFAT, Ext2/3/4, and works under Windows 98/ME/2K/XP/Vista/7/8/8.1 (GUI and Console), DOS (Console), Linux (Terminal).
The free version features the disk editor, partition management, thorough volume search, disk imaging and cloning, file recovery from the current panel (up to 4000 files at a time). Prices start $18.30 and further include:
Transfer between equipment show
Multiple copies at discounts 20-80%
Data recovery for clients allowed
Portable use on many computers
One-time use (inc. remote use) (up to 5 per month per license, without Professional Features)
Data recovery reports (including logs and file checksums)
Disk copying resumption and copying in several passes