Shapr - A completely free way to build your professional network.
Skittish - This is no webinar.
LetsLunch - Do more with your lunch hour. Meet new people.
Boost - Boost is an e-commerce for mobile, where users can generate hashtags for products and instantly sell and buyers can tweet to make a purchase
Wildcard - Discover, connect and meet people at communities
Run the World - A platform that enables live, online events