- CyberChef
- Cryptii
- Burp Suite (Community Edition)
- OWASP Zap
- Postman
- RapidTables Hexadecimal to Decimal Converter
- XOR Calculator
- Reverse Text
- REMnux: RE Tool
- Hack This Site
- TryHackMe
- HackTheBox (HTB)
- Portswigger Web Security Academy
- Cyber FastTrack
- PicoCTF
- RangeForce
- Python Exercism Track
- x86-64 Exercism Track
- Broken Azure
- The Big IAM AWS Challenge
- LetsDefend
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