The Best Free Resources to Learn To Code in 2021
Resources:
FreeCodeCamp (00:32): - https://www.freecodecamp.org/
Codecademy (02:28) - https://www.codecademy.com/
Kodiri (04:30) - https://kodiri.com/playground
Scratch (07:00) - https://scratch.mit.edu/
Edx (08:39) -https://www.edx.org/
Coursera (10:30) - https://www.coursera.org/
Whilst I'm not an education professional, I'd recommend
Scratch for ages 7+
FCC, Codecademy and Kodiri for ages 12+
EdX and Coursera for ages 16+ (these are university/college level courses, so vary in difficulty. Make sure to check the description of each course if you are unsure).