Learn to Code

• Codecademy
• Free Code Camp
• Coursera
• EdX
• CodeWars
• Khan Academy
• W3Schools
• Coderbyte
• Google CodeLabs

YouTube

• Learncode.academy
• Treehouse
• CSS-Tricks
• Derek Banas
• Codecourse

Cybersecurity

• Trail of Bits
• Over the Wire
• CanYouHack.it
• CTF Writeups
• Cybary
• Null Byte

Competitions and Hackathons

• Hack Club
• CTF Time
• Google Kick Start