Linux user-level ATA raw command utility
bulk-reviewer aids in identification, review, and removal of sensitive files in directories and disk images
bulk_extractor is a C++ program that scans a disk image, a file, or a directory of files and extracts useful information
JAFAT is an assortment of tools to assist in the forensic investigation of computer systems.
Timeline tools - Open Source code for Windows Forensic Analysis and Incident Response