VisualCode - QR codes for everything
Frysbe - Frysbe: Make global friends at random and the fling app comes up with features to send messages to strangers from every corner of the world to expand your social circle.
Snapvice - Snapchat tips & tricks delivered once a week
Yochat - Yochat app enables users to get to know about strangers from a large number of countries from around the world by video chatting with them.
WaitWho.is - An RSS for people.
PenPal World - Connect with people all over the world