Slideshare

StumbleUpon

Web discovery platform

Hotwire

Find cheap and discount travel deals, flights and hotels that meet your budget. Book the best travel deals on flights, hotels and vacation packages at Hotwire.com.

Auctomatic

Babycenter

Find information from BabyCenter on pregnancy, children's health, parenting & more, including expert advice & weekly newsletters that detail your child's development.

Cardpool

Makes it ridiculously easy to buy and sell pre-owned gift cards

Lumos Labs

Creator of Lumosity
Challenge your brain with games designed by neuroscientists to exercise memory and attention. Customize your personalized brain training program today.

Change.org

The world's leading platform for social change.
Change.org is the world’s leading platform for social change, empowering over 95 million people to start and win campaigns on causes that matter to them. Nearly 25,000 petitions are launched every month covering a wide range of issues, creating daily change -- from ...

Appjet

Pinterest

A Universal Social Catalog
Pinterest is a social catalog. Share your taste by pinning things you love and building your collection. Follow friends and tastemakers to discover new products. Take a look: http://pinterest.com/home; and an example pinboard: http://pinterest.com/christine.e.martinez/desirable-dresses/

GiftRocket

GiftRocket is a beautiful way to send money as a gift. Our users generally use it as a replacement for gift cards.

Typekit

Backplane

Enterprise social network
The future of social networking doesn’t lie in an all-encompassing network, but in niche, private networks with purpose. Our Mission is to create a web of interconnected social networks, built on a platform that allows them to share in the value they create. ...

Prismatic

TaskRabbit

TaskRabbit is an online and mobile marketplace that helps people live smarter by allowing them to outsource their errands and tasks to fully-vetted people in their community.

Votizen

Discover which of your friends are voters, and campaign with them to elect candidates.
Votizen lets you discover which of your friends are registered voters on your existing social networks, and combine your votes together to campaign and elect candidates across the country.

Urban Mapping

Hosted mapping platform + on-demand data
Urban Mapping offers hosted mapping services and a vast repository of geographic data available on-demand. Mapfluence is a web-based mapping platform that supports geographic decision-making through analytic and visualization tools.

TalentBin

Posterous

NeighborCity

Matching Home Buyers & Sellers With The Best Realtors
NeighborCity helps you engage the most qualified local Realtor to represent you in your next real estate transaction. We're in your corner, from sourcing and monitoring your agent relationship to rewarding you with a substantial cash rebate upon close. Don't get ...

cottonTracks

The Journal Of Your Online Discoveries
cottonTracks is the best of what you know about any subject. We replace your memory by analyzing in real time if you are into what you are reading and watching on your web browser (eye tracking without a camera and smart clustering technologies). We let you ...

Luxr.co

Oonline workshops that help startup founders tackle business challenges
Luxr.co offers startup founders 1-hour online workshops to help them tackle critical business questions. Every workshop is a hands-on experience led by a top-tier coach. Topics are selected monthly by the subscribers, and every workshop focuses on solving a specific ...

Tackk

Pages for Everything
Create, chat and share with Friends. Tackk is the most engaging way to interact on a platform.  Users can create beautiful pages and engage their audience to help them contribute.  Events, stories, photo galleries, classroom projects...the opportunities are limitless!

Weebly

The Easiest Way to Create a Website

Product Hunt

Reddit for Products
Product Hunt surfaces the best new products, every day. It's a place for product-loving enthusiasts to share and geek out about the latest mobile apps, websites, hardware projects, and tech creations.

Betfair

Readyforce

Linkedin for College Students
Readyforce is the first professional network designed and built for the specific needs of college students. Currently focusing on engineering and computer students students, the Readyforce network bridges the gap between Facebook and LinkedIn. Students can: - ...

Divvyshot

Allows groups of friends to share their photos easily
Divvyshot allows groups of friends to share their photos easily, at their full resolutions.

DailyCred

Identity made simple
Founded by two software engineers (ex-Microsoft, ex-LivePerson), Shopobot helps users find great deals on the expensive items they really want, like cameras, sports equipment, and appliances. Shopobot tracks price fluctuations across top stores and finds the ...

Eventbrite

Eventbrite is a global marketplace for live experiences that lets people to find and create events. Eventbrite helps people find popular events; get event recommendations; easily register for and purchase tickets; view event details; share events with friends; ...

Ooga Labs

Gumroad

Enables creators to sell directly to their audience.
Gumroad enables creatives to sell directly to their audience — so that they can make a living doing what they love. Writers, designers, game developers, musicians, artists, and filmmakers use Gumroad to earn money off of their creative efforts.

1000memories

Tinychat

Group Video Chat
http://tinychat.com Tinychat is the largest live video social network

The Fridge

Instant groups to share photos, messages and events with friends
Instant groups to share photos, messages and events with friends.

HomeRun

HomeRun (acquired by Deem) is a member-only social buying club.