radare2

Free and advanced command line hexadecimal editor

Platforms: Linux · Last verified September 6, 2026

The project aims to create a complete, portable, multi-architecture, unix-like toolchain for reverse engineering.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

See the official Kali tool page and upstream homepage linked above for installation and usage details.

Debian-based distribution built for penetration testing and security auditing