Hubski - Hubski is a community for sharing thoughtful information and conversation.
Justjared - Justjared.
Snapzu - Snapzu is basically reddit alternative.
4chan - 4chan is a simple image-based bulletin board where anyone can post comments and share images.
Stack Exchange - Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse...
News360 - News360 is a smart news app for your phone or tablet that learns what you like and brings you stories from across the web.