Noizio - Feeling that the noise of the big city is too much for you to bear?

chitchat - Chat Room with Selfies and Pagers (yes, pagers!)

chatback - Automatically connect to people around you & chat

Chalk - Chalk is a calculator that tries to do right what others do wrong.

THINK thenlive - Location-based social media

Twist - Check fewer notifications, do more meaningful work. Twist is the team communication app for calmer, more organized, and more productive teamwork.