Nearly all images on these free stock sites have a Creative Commons Zero (CC0) license. This means you can copy, adapt or distribute the images – even for commercial purposes – without requiring author consent. 

 

Flickr is a service for uploading, viewing, discussing, evaluating, and archiving photos and videos.

Freeimages online collection of over 300,000 free stock photos.

Gratisography is a service of creative and non-standard photo works from all over the world.

PicJumbo is a platform of new and trendy photos. 

Pixabay is an international website for copying, using, sharing photos, illustrations, vector graphics.

Pikwizard is a free photo for commercial and editorial use. 

Rawpixel is a site offers a collection of stock photos, vectors, and PSD layouts.  

Reshot a service of unique free photos.

Splitshire is a collection of high-resolution photos that can be freely downloaded and used for personal and commercial purposes.

StickPNG is a transparent PNG image sharing platform.

Stockvault the service contains over 137 thousand free photos, textures.

Unspalsh an online collection of free high-resolution photos.