Voici quelque ressources pour le Matérial Design :

Interface UI Matérial Design :

• https://ui8.net/product/material-ui-kit?rel=material
• http://theultralinx.com/2014/11/material-design-ui-kit-free-download.html
• https://www.infinum.co/the-capsized-eight/articles/android-lollipop-material-design-ui-kit-for-sketch

Frameworks/BootStrap :

• http://dogfalo.github.io/materialize/
• http://material-ui.com/
• https://fezvrasta.github.io/bootstrap-material-design/
• http://ui.lumapps.com/

Icônes :

• https://dribbble.com/shots/1617724-Material-Design-Icon-Templates
• https://github.com/google/material-design-icons/releases/tag/1.0.0
• http://zavoloklom.github.io/material-design-iconic-font/

Services Web :

• http://www.materialpalette.com/

Ressources pour apprendre :

• https://www.youtube.com/watch?v=wtLJPvx7-ys#t=13m51
• http://android-developers.blogspot.fr/2014/10/material-design-on-android-checklist.html
• http://www.google.com/design/spec/material-design/introduction.html#introduction-goals

Si vous souhaitez rajouter quelques choses, faites le moi savoir !