27 companies. All San Francisco startups.
Instant Voice. Anytime, Anywhere.Voxer is an instant voice communications system for Android, iPhone, Windows Phone 8 and desktop, and can be used anywhere an employee is connected with WiFi or wireless data serv…
The private social network for your neighborhood.
Be curiousIt's a curious world. Discover yours. Secret lets you see what's going on with your friends, co-workers, and people in your city or campus. • Secret posts come from friends and pe…
Private networks for families. YC W12.We're part of the "Facebook generation," and we've been connecting with our friends online forever. But global families have never connected well online. They've tried Yahoo Group…
Snapchat for Text MessagingBlink lets users exchange texts, photos, videos, audio clips, and sketches that self-destruct.
Connecting Startups with Agencies & BrandsKITE is the world's first software-driven innovation marketplace. Our platform includes a robust database, collaboration tools and a marketplace to help enterprises discover, eval…
Collaboration for Creative Project TeamsDropbox makes it easy to share. Groupiter makes it easy to talk about the things you share. By adding discussion to Dropbox—and integrating seamlessly with email and notifications…
We help people strengthen relationships offline through honest interactionsDOWN uses social apps to help people strengthen relationships in the offline world through honest interactions. Based in San Francisco, our mobile and online development teams put…
The Smarter Way for Professionals to Connect (and Stay in Contact)Network lets you turn your address book into a private mobile network: Network keeps you connected with your contacts, gives you a wallet to keep cards from everyone that you meet…
A social 'Dear Abby' for sharing life advice.A modern Dear Abby, where Millennials "spill" about life (confidentially) and share advice with one another. A TechStars '11 company & 2012 winner of the Global Social Venture Com…
Helping women meet each other.We are helping women meet each other, in communities built specifically for them. From mothers, to divorcees, to lesbians, we create discrete products for specific communities tha…
Gay Social Network AppHornet is the premier gay social network app--where gay people meet one another and form meaningful relationships nearby and afar. Unlike straight people, the gay 2.5% of mankind…
Discover unseen photos from friends and familyShoto is an app available for iOS and Android that lets you find the unseen photos that you and your friends have collected from the moments you shared together. Shoto automatical…
Health care coordination re-imaginedSign up for our open beta! http://useprime.com/angellist <-- get a free year of Prime Plus 66 million Americans provide unpaid care for 130 million ill/aged family members. Taking…
Concierge for your dating lifeCreated by a former Product Lead from OkCupid Labs and backed by 500 Startups, Whim is a mobile app that curates and coordinates first dates for this week. Going from a match to a…
Sims for real lifeKinwins is a mobile application that turns your whole life into a game. It's designed to motivate people to become the best version of themselves and bring yourself closer to your…
The Ultimate Business Development MachineA company's best relationships are stored in employee's smart phones & Exchange Server. It is siloed, unsearchable & inert. Combining this data w/our DataMarket, a freemium servic…
Personal reputation platform, 360 feedback, "give to get" viral loopIt’s the great irony of our age: we’re more digitally connected than ever, yet feel increasingly lonely and isolated. Wonder addresses social pain, using technology consciously to…
Collaboration platform where real estate pros make the home buying/selling process easydotloop is the leading online collaboration platform that over 750,000 real estate pros use to get deals done. As you know the process of buying or selling a home is nothing like…
Chat Gone Wild Squawk is chat gone WILD. We took everything you aren’t supposed to do in a text messenger and put it all in one app. Send animated stickers, memes, selfies, drawings, filtered ph…
Leverage your networksAlum.ni is disrupting how communities of trust engage online. We are creating an interactive space for alumni to tap their network, connect and help each other, capitalizing on th…
Meet new people within your trusted networksStellup is the best way to meet new people within your trusted networks such as your university or company. We are building a fun yet constructive, productive and forward looking…
Unlock the power of your Inbox, address book and calendarWe're building a Semantic Inbox. We're starting with your address book. http://reconcil.me
They will consider us as high concept pitch.Nixter, as a two sided business, delivers solutions for both Party-people and Nightclubs. Nixter App allows party goers to see in the most beautiful way all upcoming events in san…
Improve group retention and engagement by easily collaborating on members' missions.Pursuit is a better way for organizations to collaborate using email as a platform: - Discover and support members around their needs, haves and intentions. - Freely sub-group aro…
The easiest way to make new friends at your campusBuhz is campus micro-network that makes it easy for college students to make new friends at their own pace and stay up to date with whats going on around their campus. Upon provid…
Shareable, printable guides to the cities you love.When we travel for vacation or business, we’re all striving to have the perfect trip - best hotel, restaurants, sights, etc. and when people visit our current city, hometown, or s…