Foremost

Foremost is a console program to recover files based on their headers, footers, and internal data structures. This process is commonly referred to as data carving. Foremost can work on image files, su...
Language(s): C
Operating system(s): Linux
License: Public Domain (US Gov) Source code is available

PhotoRec

PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from hard disks, CD-ROMs, and lost pictures (thus the Photo Recovery name) from digital c...
Language(s): C
Operating system(s): Cross-platform
License: GNU GPL v2+

TestDisk

TestDisk is OpenSource software and is licensed under the terms of the GNU General Public License (GPL v2+). TestDisk is powerful free data recovery software! It was primarily designed to help reco...
Language(s): C
Operating system(s): DOS (either real or in a Windows 9x DOS-box), Windows 10/8.1/8/7/Vista/XP, Windows Server 2016/2012/2008/2003, Linux, FreeBSD, NetBSD, OpenBSD, SunOS, MacOS X
License: GNU General Public License