One of the tasks during the last few months while building  Share As Image was to find images to use for ourselves and offer to our users. We were very conscious about not breaking any copyright laws and make sure that all images we use are Public Domain.

1. Unsplash

Made by ooomf there are new images updated every 10 days. Tons of beautiful scenic images available here.

2. Gratisography

By RYAN MCGUIRE offer free high resolution photos, updated weekly.

3. New Old Stock

Vintage photos from old archives.

4. Pixabay

Wide selection of images for free, they offer paid images as well.

5. We Function

Some great photos provided by @liammckay and @spencerfinnell

6. Death to Stock Photo

Offers free high res lifestyle photography.