AllTheFreeStock - All the free stock images, videos and icons in one location
motosha - Real free high quality stock photos for commercial and private use! From selected professional photographers. Simple download without registration, without obligations. Best quality and 100% Free.
CaptionBot by Microsoft - Analyzing and describing images by a bot
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.
CloudSight - Image recognition API; send an HTTP request with an image, get a description of contents.
VectorStock - Download Free Vector Art, Stock Images, Free Graphic Vectors, Free Vector Clipart, High-res Vector...