Vine is the best way to see and share life in motion. Create short, beautiful, looping videos in a simple and fun way for your friends and family to see.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Facebook is a social utility that connects people with friends and others who work, study and live around them.
GitHub is where people build software. More than 19 million people use GitHub to discover, fork, and contribute to over 52 million projects.
Social networking and microblogging service utilising instant messaging, SMS or a web interface.
Quora is your best source for knowledge. Quora aims to be the easiest place to write new content and share content from the web.
Explore the largest community of artists, bands, podcasters and creators of music & audio.
Find & book appointments with doctors, diagnostic labs. Ask free health questions to doctors or get free tips from health experts.
World's Largest Travel Site. 200 million+ unbiased traveler reviews. Search 200+ sites to find the best hotel prices.
Ask.com is the #1 question answering service that delivers the best answers from the web and real people - all in one place.
A new welcome to Yahoo. The new Yahoo experience makes it easier to discover the news and information that you care about most. It's the web ordered for you.
Cross-platform mobile messaging app for iPhone, BlackBerry, Android, Windows Phone and Nokia. Send text, video, images, audio for free.
Learn how to do anything with wikiHow, the world's most popular how-to website. Easy, step-by-step, illustrated instructions for everything.
The home for all your photos. Upload, access, organize, edit, and share your photos from any device, from anywhere in the world. Get 1000GB of photo storage.
User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp.
Keep, share, and discover the best of the Web using Delicious, the world's leading social bookmarking service.
300 million+ members | Manage your professional identity. Build and engage with your professional network. Access knowledge, insights and opportunities.
Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. Never email yourself a file again!
Post anything from anywhere! Customize everything, find and follow what you love. Create your own Tumblr blog today.
Digg is the homepage of the internet, featuring the best articles, videos, and original content that the web is talking about right now.
Pinterest is a visual discovery tool that you can use to find ideas for all your projects and interests.
Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Watch TV shows and movies online. Stream TV episodes of South Park, Empire, SNL, Modern Family and popular movies on your favorite devices.
Capture and Share the World's Moments. Instagram is a free and simple way to share your life and keep up with other people.
Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Rent unique accommodation from local hosts in 190+ countries. Feel at home anywhere you go in the world with Airbnb.
StumbleUpon is the easiest way to find cool new websites, videos, photos and images from across the Web. We make the best recommendations just for you.
Create a free website or easily build a blog on WordPress.com. Hundreds of free, customizable, mobile-ready designs and themes. Free hosting and support.
PayPal is the faster, safer way to send money, make an online payment, receive money or set up a merchant account.
A photography community for you. 500px is a community focused on helping photographers expand their network, improve their skills, and make money.
Twitch also caters to the entire esports industry, spanning the top pro players, tournaments, leagues, talk shows and organizations.
Foursquare helps you find the perfect places to go with friends. Discover the best food, nightlife, and entertainment in your area.
Snapchat lets you easily talk with friends, view Live Stories from around the world, and explore news in Discover.
A list of social networks and communities with more than 100 million active users.