===== Galerías de Imágenes e Iconos =====

  * http://google.github.io/material-design-icons/
  * https://icon-icons.com/es/
  * https://www.flaticon.es/


====  Buscadores de imágenes ====
  * https://canweimage.com/
  * https://www.vecteezy.com
  * https://foter.com/
  * https://www.everystockphoto.com/
  * https://imagefinder.co/
  * https://tineye.com/
  * https://wunderstock.com/