Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Player.me - Player.me is the social discovery platform for the gaming community.
Facebook Local - Discover places to go and events happening near you
Infonaira jobs - Infonaira strives to post recent free jobs, giving job seekers free access to search for jobs.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Kamcord - Live stream anything on your phone's screen