Magdeleine - Magdeleine is a stock photos website offering thousands of royalty-free, high-quality photos for personal and commercial projects.
Openverse - Openverse is an Openly Licensed Images and Audio database and a growing community of photographers, illustrators, and musicians who share their work under a Creative Commons license.
PixLoger - PixLoger is a stock photos website that offers high-quality stock images, vectors, and videos without any watermark.
Freerange Stock - Freerange Stock is a free stock image website.
Reshot - Tons of uniquely free stock photos. Handpicked & non-stocky
Gratisography - Free high-resolution pictures you can use on your personal and commercial projects