PlanDo help bringing people around together to connects & collaborates through the setting up and participation of activities.
PlanDo was designed to be not only the easiest way to expand your social circle, but also the most natural. It achieves this by mimicking how friendships and relationships are most commonly formed in the real world -- through shared passions, interests and existing connections. First we help you quickly discover nearby activities and individuals you have the most in common with, then you can either request to join a Activities or invite them into your existing PlanDo activities.
More at http://www.plando.so