https://pluralsight.com (pago) acho que é o melhor de todos e vale a pena (eu arrumei o meu emprego atual aprendendo angular no pluralsight)
Dica! Se voce se inscreve aqui (https://my.visualstudio.com) vai ganhar 3 meses de trial no Pluralsight alem de outras coisas
https://egghead.io (freemium)
https://ponyfoo.com/articles/es6
http://github.com/getify/You-Dont-Know-JS
https://www.youtube.com/channel/UCnLdHOuue5i1O7TsH6oh07w BrazilJS (noticias)
https://www.youtube.com/channel/UCFxdcuY-S6yjZGq_2cjilHg SimpleProgrammer (tudo)
https://www.youtube.com/channel/UCO1cgjhGzsSYb1rsB4bFe4Q FunFunFunction (javascript)
https://www.youtube.com/channel/UCKdo1RaF8gzfhvkOdZv_ojg WebSchool (frontend br)
https://www.youtube.com/channel/UCwRXb5dUK4cvsHbx-rGzSgw Derek Banas (tutoriais)
https://www.youtube.com/channel/UCVTlvUkGslCV_h-nSAId8Sw Learncode.academy (fullstack)
https://www.youtube.com/channel/UCNhSCufrcOMeFvzEM7tt9Lw pagar.me (palestras em pt sobre web development)
https://www.youtube.com/channel/UCoebwHSTvwalADTJhps0emA Wes Bos (js)
https://medium.com/@_ericelliott
https://medium.freecodecamp.org/
Clean Code - Robert C. Martin (aconselho MUITO)