Optimage - Advanced image optimization tool
VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.
Aerate for macOS - Ridiculously good lossless image compression
Focos - Your Portrait Mode photos become amazing masterpieces of art
Imagify - Optimize and resize images online and through your CMS.
AILabTools Image Erasure - Removing unwanted objects, person and texts from an image to remove clutter from your photos