HEATKEYS

AlternativeTo let you find new PC (Windows, Linux), Mac, iPhone, Android, Web/Online software based on applications you already know instead of useless categories. We make each application into a category. (AlternativeTo is sometimes called alternati...

Twitter is without a doubt the best way to share and discover what is happening right now.

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.

foursquare

AngelList is a platform for startups

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...