Ask.fm - Curious? Just ask! Openly or anonymously.
Locish - Locish is a Q&A mobile app enabling users to ask like-minded people for real-time...
Tellonym - Tellonym is the most honest place on the internet.
Kiwi.qa - Kiwi is a fast and easy way to ask your friends interesting questions and find out what they think.
Peing - Collect anonymous questions with SNS!
Flizle - Send and receive anonymous messages to friends like with Sarahah, but with the ability to reply.