digiKam - Professional Photo Management with the Power of Open Source
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Photos on macOS - Photos keeps your images organized and accessible. Rediscover favorite shots with Memories. Access them on your devices with iCloud Photos.
PicMonkey - PicMonkey is a feature-rich online photo editor that works right in your browser; no downloads...
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Piktochart - Piktochart for Business Storytelling