1. On-demand content aware image processing API

  2. Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.

  3. OpenCV (Open Source Computer Vision) is a library of programming functions for real time computer...

  4. Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.

  5. scikit-image is a collection of algorithms for image processing.

  6. GraphicsMagick is the swiss army knife of image processing.

  7. Optimize and resize images online and through your CMS.