What are some alternatives?
When comparing Imgur and Flipagram, you can also consider the following products
Flickr - image and video hosting website
Photobucket - Photobucket offers image hosting and free photo and video sharing.
Twitter - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
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.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
500px - Connect, get inspired, and grow your skills.