Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
ChatBud - ChatBud app offers features that let you have chat sessions with strangers so you can make new friends.
Event Hunt - Startups and Tech Events Curated By Locals
Coopz - Coopz: Dating app, Find friends & Meet new people app provides features through which users can discover like-minded people to hang out with.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Globalchat - Globalchat is an app by Placecodex that comes up with features to help you in creating a chat account in a few simple steps to start making new friends from all around the globe.