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.
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.
AllTheFreeStock - All the free stock images, videos and icons in one location
Amazon Rekognition - Add Amazon's advanced image analysis to your applications.
Pexels - Find the best free stock images about Browser Home Page. Download all photos and use them even for commercial projects.
CaptionBot by Microsoft - Analyzing and describing images by a bot