Kali Linux is a Debian-based distribution for penetration testing, ethical hacking, and network security assessments, offering a vast array of tools.
Pwntools is a CTF framework and exploit development library written in Python, designed for rapid prototyping and exploit creation.
THC-Hydra is a fast network login cracker supporting numerous protocols; a valuable tool for security researchers and consultants.
angr is a platform-agnostic binary analysis framework for reverse engineering and vulnerability research.
objection is a runtime mobile exploration toolkit for assessing mobile app security posture without needing a jailbreak.