I like their approach to meet people. You get automatically dropped into interest groups and it's all anonymous. The barrier to meet up is quite as you have a common interest and it is in group.
We3 - AI that finds you the most compatible people nearby
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Meetup for iOS and Android - Discover groups that are all about the things you love
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Yubo: Make real friends live - Yubo: Make real friends live is a social networking app to enable you to start a live video chat with up to 10 different users at the same time by sending the link of the chat to them.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.