OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.
IDA - The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.
HxD - HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...
Binary Ninja - A reverse engineering platform and GUI
Ghidra - Software Reverse Engineering (SRE) Framework
Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.