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.
digiKam - Professional Photo Management with the Power of Open Source
Kindle Cloud Reader - Kindle Cloud Reader lets you read ebooks instantly in your web browser - no Kindle device required.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Cryptee - Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.