ShoeBox - Free unlimited photo storage, so you can rediscover your photos anywhere. Available for iPhone, iPad, Android, Mac and PC.
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.
TexturePacker - Texture Packer is hands down the best sprite sheet generation tool on the market.
Snapchat Memories - Save and search for snaps on Snapchat
Free Texture Packer - Free Texture Packer is an open source tool that allows you to pack multiple images into one atlas for you games or sites.
Flickr - image and video hosting website