Viso - Beautiful minimal image viewer for MacOS
digiKam - Professional Photo Management with the Power of Open Source
LightGallery - A modern, electron and nodejs based image viewer for Mac, Windows and Linux.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Photos on macOS - Photos keeps your images organized and accessible. Rediscover favorite shots with Memories. Access them on your devices with iCloud Photos.
Tiat - A simple and powerful image organizer 🖼️