Amazon Rekognition - Add Amazon's advanced image analysis to your applications.
OpenCV - OpenCV is the world's biggest computer vision library
PixLab - PixLab is a machine learning SaaS platform which offer computer vision and media processing APIs.
Scikit Image - scikit-image is a collection of algorithms for image processing.
SimpleCV - SimpleCV is an open source framework for building computer vision applications.
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.