Effective Spaced Repetition

Training Sites & Classes

https://github.com/PaulSec/awesome-sec-talks

https://teachyourselfcs.com/

https://github.com/ossu/computer-science

https://github.com/Developer-Y/cs-video-courses

https://github.com/PKUFlyingPig/Self-learning-Computer-Science

https://gist.github.com/Amir22010/e66e8f51fecf415a2952b6470d8cf486

Free / low cost CS curricula