Ask.fm - Curious? Just ask! Openly or anonymously.
Yastalk - Receive honest feedbacks from your co-workers, friends or knowns
Zabuu - Anonymous questions can also be from the follow-up list.
SocialFun.xyz - Receive anonymous messages from your friends, co-workers and Fans. Find out what people loveSmiling face with heart-shaped eyes / hateFace with thermometer about you!
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Tellonym - Tellonym is the most honest place on the internet.