AI Reverse Image Search - A better way to find similar images
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
Popsync - Find that perfect picture faster with image metasearch
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.