- HackTricks - https://book.hacktricks.xyz/welcome/readme
- GTFORBins - https://gtfobins.github.io/
- Dillinger - Online Mardown Editor - https://dillinger.io/
- ExploitDB - https://www.exploit-db.com/
- PayloadsAllTheThing - https://github.com/swisskyrepo/PayloadsAllTheThings
- Online Reverse Shell Generator - https://www.revshells.com/
- Dcode - https://www.dcode.fr/
- DenCode - https://dencode.com/
- Aperi'Solve - https://www.aperisolve.com/
- Web Tools - https://rumkin.com/tools/
- HackTheBox - https://www.hackthebox.com/
- TryHackMe - https://tryhackme.com/
- Offensive Security Play Labs - https://portal.offsec.com/labs/play
- Vulnhub - https://www.vulnhub.com/
- Root-Me - https://www.root-me.org/
- Crackmes - https://www.crackmes.one/
- SQLAcademy - https://sql-academy.org/ru
- SPBCTF CTF Training Platform - https://forkbomb.ru/
- PortSwigger Web Security Academy - https://portswigger.net/web-security
- PicoCTF - https://picoctf.com
- Codeby Game - https://codeby.games/
- CTFlearn - https://ctflearn.com/
- Prompt.ml - https://prompt.ml/0
- ringzer0team - https://ringzer0team.com/
- Reversing.Kr - http://www.reversing.kr/