Coding

• Codewars
• Leetcode
• 

Long running CTFs

• Newbie Contest
• HackTheBox (2/469 challenges + 7 first machines)
• Challenge-OSINT.fr (56th)
• Ozint.eu
• 

TO WORK ON / START

• https://ctf.predictalab.fr/challenges
• https://pwn.college
• https://theblackside.fr/challenges/
• https://microcorruption.com/map
• https://imaginaryctf.org
• https://sourcing.games
• kaggle
• https://code.golf
• TryHackMe