The library is an advanced version of PIL, supported by Tidelift. It includes various processes in image processing, such as point operations, filtering, manipulating, and more. Pillow also supports a wide range of image formats, thus making it a must-have library for handling images.

The official site is  https://pillow.readthedocs.io/en/stable/index.html

The Git repo is  https://github.com/python-pillow/Pillow