SecretsAnon.com - Post secrets anonymously for the world to see.
Hiyo - Get advice, opinion or discussions from strangers.
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
YouHue - A fun new way to ask "How are you?"
Flizle - Send and receive anonymous messages to friends like with Sarahah, but with the ability to reply.
Startups Anonymous - Anonymously ask questions and share stories. AA for Startups