CTF chall write-ups, files, scripts etc to go with video walkthroughs: https://www.youtube.com/CryptoCat23

CTFTime: https://ctftime.org
HackTheBox: https://app.hackthebox.eu
TryHackMe: https://tryhackme.com
OffSec Proving Grounds: https://www.offensive-security.com/labs
PentesterLab: https://pentesterlab.com
OverTheWire: https://overthewire.org/wargames
HackerOne: https://ctf.hacker101.com
Web Security Academy: https://portswigger.net/web-security
HackXOR: https://hackxor.net
VulnHub: https://www.vulnhub.com
Damn Vulnerable Web Application: https://dvwa.co.uk
OWASP Juice Shop: https://github.com/juice-shop/juice-shop-ctf
CTF Challenge: https://ctfchallenge.com
Immersive Labs: https://dca.immersivelabs.online
ROP Emporium: https://ropemporium.com
Exploit Education: https://exploit.education
PicoCTF: https://play.picoctf.org
247CTF: https://247ctf.com
CryptoHack: https://cryptohack.org
HackingLab: https://www.hacking-lab.com/index.html
HackThisSite: https://www.hackthissite.org
SmashTheStack: http://smashthestack.org/wargames.html
W3Challs: https://w3challs.com/challenges
Ringzer0CTF: https://ringzer0ctf.com/challenges
Enigma Group: https://www.enigmagroup.org
Root Me: https://www.root-me.org
Reversing Challenges: https://challenges.re
CrackMes: https://crackmes.one
Pwnables: https://pwnable.tw/challenge
Pwn.College: https://pwn.college
How2Heap: https://github.com/shellphish/how2heap

LiveOverflow: https://www.youtube.com/playlist?list=PLhixgUqwRTjxglIswKp9mpkfPNfHkzyeN
John Hammond: https://www.youtube.com/c/JohnHammond010
IppSec: https://www.youtube.com/c/UCa6eh7gCkpPo5XXUDfygQQA
XCT: https://www.youtube.com/c/UClGm2C8Qi0_Wv68zfjCz2YA
Gynvael: https://www.youtube.com/user/GynvaelEN
ZetaTwo: https://www.youtube.com/c/ZetaTwo
PwnFunction: https://www.youtube.com/c/UCW6MNdOsqv2E9AjQkv9we7A
0xdf: https://www.youtube.com/c/UChO9OAH57Flz35RRX__E25A
247CTF: https://www.youtube.com/c/UCtGLeKomT06x3xZ2SZp2l9Q
MalFind: https://www.youtube.com/c/UCJf4-reOhoiAlScWC1WzLgQ
DayZeroSec: https://www.youtube.com/c/dayzerosec
Rana Khalil: https://www.youtube.com/c/RanaKhalil101
PinkDraconian: https://www.youtube.com/c/UCmXwpkCXmIKjoRLMsq9I3RA
Superhero1: https://www.youtube.com/c/UCm2SwKmx3Ya1HG5RmHR7SCA
S1lk: https://www.youtube.com/c/AlexChaveriat
Alh4zr3d: https://www.youtube.com/c/UCz-Z-d2VPQXHGkch0-_KovA
Paweł Łukasik: https://www.youtube.com/c/PawelLukasik
Ephemeral: https://www.youtube.com/c/BasteG0d69
Hak5: https://www.youtube.com/c/hak5
Conda: https://www.youtube.com/c/c0nd4
HackerSploit: https://www.youtube.com/c/HackerSploit
Condingo: https://www.youtube.com/c/codingo
InsiderPhd: https://www.youtube.com/c/InsiderPhD
HackSplained: https://www.youtube.com/c/Hacksplained
TheCyberMentor: https://www.youtube.com/c/TheCyberMentor
StackSmashing: https://www.youtube.com/c/stacksmashing
Cybersecurity Meg: https://www.youtube.com/c/CybersecurityMeg
Tib3rius: https://www.youtube.com/c/Tib3rius
SecAura: https://www.youtube.com/channel/UCx89Lz24SEPZpExl6OfQ0Gg
DarkSec: https://www.youtube.com/c/DarkSec
Hexorcist: https://www.youtube.com/c/HEXORCIST
PwnCollege: https://www.youtube.com/c/pwncollege
NahamSec: https://www.youtube.com/c/Nahamsec
Optional: https://www.youtube.com/c/optionalctf
Others: https://securitycreators.video

Ghidra: https://ghidra.re/CheatSheet.html
Volatility: https://github.com/volatilityfoundation/volatility/wiki/Linux
PwnTools: https://github.com/Gallopsled/pwntools-tutorial
CyberChef: https://gchq.github.io/CyberChef
DCode: https://www.dcode.fr/en
HackTricks: https://book.hacktricks.xyz/pentesting-methodology
Forensics: https://cugu.github.io/awesome-forensics
Decompile Code: https://www.decompiler.com
Run Code: https://tio.run
CTF Resources: https://github.com/apsdehal/awesome-ctf
Security Resources: https://github.com/CompassSecurity/security_resources
Bug Bounty Resources: https://www.hacker101.com/resources
Learn RE: https://hshrzd.wordpress.com/how-to-start
Learn BinExp: https://guyinatuxedo.github.io
HTB Writeups: https://0xdf.gitlab.io
ExploitDB: https://www.exploit-db.com
GTFOBins: https://gtfobins.github.io