Pixpie - Optimize your images and speed up your site on WordPress
digiKam - Professional Photo Management with the Power of Open Source
Website Image Speed Test - Beautiful & easy free analysis of the images on your page
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
OptimizeWP - WordPress speed optimization and maintenance service
Photos on macOS - Photos keeps your images organized and accessible. Rediscover favorite shots with Memories. Access them on your devices with iCloud Photos.