Burst - Burst has thousands of hi-res photos that are free to use.
Explorecams - Explorecams allows you to search through thousands of images that people taken on specific photo camera bodies & lenses.
Referenda - Fostering a new age of digital activism
DxO ONE - DSLR image quality for your iPhone
Change Politics - Elections by the people
Shutterstock - Shutterstock is a provider of stock photos, illustrations, and vector art. The website allows individuals to purchase a subscription and download copyrighted art for creative projects. Read more about Shutterstock.