Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
LibreStock - Librestock is a multisite search engine that scans and indexes the stock photos from 40+ different websites. We provide you with the biggest searchable database of high-quality free stock photos on the internet.
Pixabay - Over 270,000 free photos, vectors and art illustrations
Pexels - Find the best free stock images about Browser Home Page. Download all photos and use them even for commercial projects.
Wikimedia Commons - Wikimedia Commons is a media file repository making available public domain and freely-licensed...
FoodiesFeed - FoodiesFeed is a resource of 1000+ natural looking free food pictures and free digital goods related to food.