Quora - Quora is a place to gain and share knowledge. It's a platform to ask questions and connect with people who contribute unique insights and quality answers.
isit100.com - The simplest way to get feedback from your friends
Ask RBG - An AI experiment
Intch - Professional networking app
Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
Desinion - The place to give and get opinions on design.