ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Flickr - image and video hosting website
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Polarr - MacOS, Windows, iOS, Android and online photo editing tools & free photo editors.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.