Codester - The marketplace for ready-to-use web development assets
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.
CodeCanyon - Scripts and Snippets From $1 for PHP, JavaScript, ASP.NET, CSS, Plugins, HTML5, Mobile and more
Amazon Rekognition - Add Amazon's advanced image analysis to your applications.
CodeGrape - CodeGrape is an online marketplace for Themes, WordPress, Plugins, PHP Script, JavaSCript, HTML5, Mobile Apps, Print, Graphic and CSS files.
CloudSight - Image recognition API; send an HTTP request with an image, get a description of contents.