Unsplash

Free (do whatever you want) hi-res photos.

Description

Founded 3 years ago as a humble Tumblr blog, Unsplash has grown into an industry-leading photography community. It gathers quality photos from a large community of photographers. All photos published on Unsplash are licensed under Creative Commons Zero which means you can copy, modify, distribute and use the photos for free, including commercial purposes, without asking permission from or providing attribution to the photographer or Unsplash.

Price
FREE

Completely free :)