X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Vingle - Mingle with people who share your interests

Event Hunt - Startups and Tech Events Curated By Locals

Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets