HTML - Gargioni/Project-SdG GitHub Wiki
Documentação
https://developer.mozilla.org/pt-BR/docs/Web/HTML/HTML5/HTML5_element_list
https://developer.mozilla.org/en-US/docs/Web/HTML/Element
Escolas Online
http://www.w3schools.com/html/html5_intro.asp
https://www.udemy.com/learn-html5-programming-from-scratch/
https://msdn.microsoft.com/en-us/hh549253.aspx
https://www.codecademy.com/pt-BR/learn/web