Front-end

https://profitfreelance.com/themeforest-zarabotok-na-prodage-shablonov/

https://weblayner.com/kak-sdelat-svoj-pervyj-normalnyj-shablon-dlya-prodazhi-na-themeforest.html


https://proglib.io/p/developer-portfolio/

https://proglib.io/p/how-to-resume/

https://proglib.io/p/50-interviews-p2-interview/

https://fishki.net/1674907-15-logicheskih-zadach-kotorye-sejchas-modno-predlagat-na-sobesedovanii.html

https://ain.ua/2015/02/22/10-matematicheskix-i-logicheskix-zadach-kotorye-predlagayut-na-sobesedovaniyax-v-it-kompaniyax

https://proglib.io/p/train-your-brain/

https://proglib.io/p/logical-tasks/

https://proglib.io/p/27-puzzle-websites-to-sharpen-your-skills/

React

https://www.youtube.com/watch?v=4yPEUJcZ7-8&list=PLIi4KAwW-NCsElr7y3RukfzvXUObiu8jh

https://habr.com/ru/company/ruvds/blog/439982/

https://webformyself.com/minikurs/reactjs/index-subscribe.html

https://ru.reactjs.org/tutorial/tutorial.html

https://proglib.io/p/10-step-react-chat/

Vue

http://websketches.ru/blog/krestiki-noliki-vuejs2-1