The Sleuth Kit (TSK) & Autopsy

AccessData FTK Imager

Digital Forensics Free

A digital forensic tool for creating forensic images of computer hard drives and analyzing digital evidence.

AChoir Windows Live Artifacts Acquisition Scripting Framework

Digital Forensics Free

A framework/scripting tool to standardize and simplify the process of scripting favorite Live Acquisition utilities for Incident Responders.

Acquire

Digital Forensics Free

A tool to quickly gather forensic artifacts from disk images or a live system into a lightweight container, aiding in digital forensic triage.

Acusense

Digital Forensics Free

Sophisticated audio forensics tool for voice pattern analysis, audio manipulation detection, spectral analysis, and audio source identification.

ALEAPP Android Logs Events And Protobuf Parser

Digital Forensics Free

Tool for parsing Android logs events and protobuf data

AMExtractor

Digital Forensics Free

AMExtractor is an Android Memory Extractor tool.