1) https://www.edx.org/ 2) https://www.coursera.org/ 3) https://coursmos.com/ 4) http://gohighbrow.com/ 5) https://www.skillshare.com/ 6) https://curious.com/ 7) https://www.lynda.com/ 8) https://www.udemy.com/ Ссылки с первой картинки.
Программирование: 1) https://www.codecademy.com/ 2) https://stuck.readthedocs.io/en/latest/ 3) https://www.udacity.com/ 4) https://courses.platzi.com/ 5) https://learnable.com/ 6) https://www.codeschool.com/ 7) https://www.thinkful.com/ 8) https://code.org/ 9) https://www.baserails.com 10) https://teamtreehouse.com/ 11) https://onemonth.com/ 12) https://dash.generalassemb.ly/
Языки: 1) https://www.duolingo.com/ 2) https://www.lingvist.io/ 3) https://www.busuu.com/ 4) http://www.memrise.com/
Работа с информацией: 1) https://www.datacamp.com/ 2) https://dataquest.io/ 3) http://datamonkey.pro/
Кругозор: 1) http://ed.ted.com/ 2) https://www.khanacademy.org/ 3) http://guides.co/ 4) http://learni.st/ 5) http://getprismatic.com/home 6) https://snapguide.com/