imgix vs CImg: What are the differences?
imgix: Real-time image resizing service and CDN. imgix is a real-time image processing service and CDN. Resize, crop, and edit images simply by changing their URLs; CImg: A small and open-source C++ toolkit for image processing. It mainly consists in a (big) single header file CImg.h providing a set of C++ classes and functions that can be used in your own sources, to load/save, manage/process and display generic images.
imgix and CImg belong to "Image Processing and Management" category of the tech stack.
CImg is an open source tool with 701 GitHub stars and 163 GitHub forks. Here's a link to CImg's open source repository on GitHub.