pestudio VS PPEE (puppy)

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.

PE-bear - PE-bear is a reversing tool for PE files.

Malcat - Malcat is a feature-rich hexadecimal editor / disassembler for Windows and Linux for malware analysts, incident responders, CTF players and SOC operators.

PE Tools - This is a fully-functional utility for working with PE/PE +(64bit) files.

VirusTotal - VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick...

EXE Explorer - It reads and displays executable file properties and structure.