Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.
OpenCV - OpenCV is the world's biggest computer vision library
Immerse Reverse Image Search - With a deep understanding of artificial intelligence, immerse.zone provides a reverse image search engine for hundreds of millions of image libraries, including stock photos, vectors, videos, GIF, etc.
Clarifai - The World's AI
Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.
Amazon Rekognition - Add Amazon's advanced image analysis to your applications.