	One-liner	Long description	Industry	Tags	Founders		Location
A AdThrow			B2B / B2B -> Marketing		Andrew LevyDaniel KluesingEvan Rosenfeld			—
B Bump	Bump, Flock, Photoroll (unreleased) => Google Photos	Bump was acquired by Google in 2013. The Bump and Flock apps were shut down, but our unreleased Photoroll app went on to become the basis for Google Photos, which we led from inception to more than 1…	Consumer / Consumer -> Social		David LiebAndy Huibers	30	Mountain View, CA, USA	—
C CarWoo	The best way to buy a new car.	CarWoo! is the stress-free, organized way to shop multiple dealers to get a great deal on your new car. CarWoo! was founded in 2008 by Tommy McClung and Erik Landerholm and has helped hundreds of tho…	Consumer / Consumer -> Transportation Services	Marketplace Automotive	Tommy McClungMichael YoungErik Landerholm	11	Burlingame, CA, USA	—
D DailyBooth		DailyBooth lets users follow their friends and update them in real-time through the use of pictures and status updates.	Consumer / Consumer -> Social		Ryan AmosJon Wheatley	2	San Francisco, CA, USA	—
D Directed Edge	Product recommendations.	Directed Edge delivers Amazon-like "People who bought this also bought..." and "We think you'd also like"-style recommendations to other sites, using existing data being collected such as purchase or …	Consumer / Consumer -> Home and Personal	Artificial Intelligence Machine Learning Recommendation System	Scott Wheeler	2	San Francisco, CA, USA	—
F Fanchatter	FanChatter aggregates, amplifies and empowers fan content on every…	FanChatter fuels your fans so they can promote you better than any ad ever could. Our customers are big guys (NBC Universal, Clear Channel, Gannett) and little guys (bloggers all over the world) who …	B2B / B2B -> Marketing	Social Recommendation System	Marty WetherallTodd EmmelLuke Francl	11	Minneapolis, MN, USA	—
F Flightcaster		FlightCaster predicts flight delays. FlightCaster can predict your probability of delay hours before the airline or any other app notifies you. FlightCaster uses a patent-pending algorithm that scour…	Consumer / Consumer -> Travel, Leisure and Tourism		Jason FreedmanBradford CrossEvan KonwiserJames BracyJonathan Bracy	2	San Francisco, CA, USA	—
G GraffitiGeo	We let you know where to go and what to get once you get there.…	At its core GraffitiGeo allows users to leave brief reviews of restaurants, or for those too lazy to do that, to simply leave a "thumbs up" or "thumbs down" — it's like a highly condensed version of Y…	Consumer / Consumer -> Content		Nikhil PanditJared Tame	2	Palo Alto, CA, USA	—
H HighlightCam	HighlightCam edits video, automatically!	Founded in 2009, HighlightCam is a YC-alum & 500Startups-funded company bent on taking over the world, one movie at a time. HighlightCam is revolutionizing how users create (and share) movies with a …	Consumer / Consumer -> Content	Video	Michael KatsevmanMichael James O'Kelly	11	Mountain View, CA, USA	—
I Instantq		InstantQ is an online platform that enables restaurants to distribute JIT promotions to its customers. It was launched in 2009 by Dana Levine and is based in California.	B2B / B2B -> Retail		Dana LevineJeffery Xin Shi	2	San Francisco, CA, USA	—
J Jobspice		JobSpice is a surprisingly easy-to-use, intuitive online tool for creating a resume. Changing styles, managing different resumes for different employers, and creating web-based and PDF versions takes …	Consumer / Consumer -> Job and Career Services		Dane HurtubiseAndrew McCollum	11	San Francisco, CA, USA	—
L Lingt	Lingt provided a web-based platform for learning languages leveraging…	Lingt empowers teachers to speak more with their students. Create and manage online speaking assignments for use in the classroom.	Education / Education	Education	Justin Cannon	2	San Francisco, CA, USA	—
L Listia	Mobile marketplace for trading used goods.	Listia is a new kind of auction marketplace for giving and getting free stuff. Users list items as auctions, and other users bid on these items using credits instead of money. Credits are earned by si…	Consumer / Consumer -> Home and Personal	Marketplace Crypto / Web3	Gee-Hwan Chuang	6	Santa Clara, CA, USA; Campbell, CA, USA; Remote	—
L Lockitron	Lockitron makes electronic locks you can control locally from your…	Apigy is the developer of Lockitron, a device which can lock and unlock deadbolt locks via remote control or a mobile device.	Consumer / Consumer -> Consumer Electronics	Hardware IoT	Cameron RobertsonPaul GerhardtRobert Witoff	11	Palo Alto, CA, USA	—
M Mixpanel	Mixpanel is event analytics for builders that need answers.	Mixpanel is analytics for builders that need answers from their data at their fingertips. When everyone in the organization can see — and learn from — the impact of their work, they are poised to make…	B2B / B2B -> Analytics	B2B Analytics Data Visualization Cloud Computing +1	Suhail DoshiTim Trefren	410	San Francisco, CA, USA	—
N NudgePad	Online IDE. We joined Microsoft in 2014.	NudgePad is an IDE for prototyping in your browser. It allows anyone to launch a fully hosted custom app in two seconds. NudgePad removes all the pain and complication of starting a project, inclu…	B2B / B2B -> Engineering, Product and Design	Developer Tools		2	San Francisco, CA, USA	—
O Olark	The best live chat software on the planet. We help you build…	Olark is easy-to-use live chat software that lets you talk to customers on your website. Olark can help you track leads, drive sales, increase conversions, and provide great customer service. Real…	B2B / B2B -> Retail	Sales Customer Service Chat	Ben CongletonMatt Pizzimenti	28	Ann Arbor, MI, USA	—
P Plurchase		Plurchase is an online social shopping site. From it, you can visit online shopping sites like Zappos with the additional of a social toolbar on the right hand side of the page. You can chat with othe…	Consumer / Consumer -> Social		Jeff FerberDean MaoTom Saffell	2	San Francisco, CA, USA	—
R RentHop	Apartment rental marketplace	RentHop (www.renthop.com) helps renters find great apartments. We use sophisticated data analysis to rank apartment listings based on their "freshness", their accuracy and completeness and the respo…	Real Estate and Construction / Real Estate and Construction -> Housing and Real Estate	Marketplace Real Estate	Lee C. LinLawrence Zhou	9	New York, NY, USA	—
R RethinkDB	The open source database for the realtime web.	RethinkDB is the first open-source scalable database for the realtime web. It exposes an exciting new access model -- instead of polling for changes, the developer can tell the database to continuousl…	B2B / B2B -> Infrastructure	Open Source	Michael GlukhovskySlava Akhmechet	11	San Francisco, CA, USA	—
R RoboHR			B2B / B2B -> Human Resources		Henry LiuJingsong Wang			—
S Stackq			B2B / B2B -> Engineering, Product and Design		Will LiuElfred Pagan			—
S Stripe	Economic infrastructure for the internet.	Launched out of Y Combinator’s 2009 Summer batch, Stripe is a global technology company that builds economic infrastructure for the internet. Businesses of every size—from new startups to public compa…	Fintech / Fintech	Banking as a Service Fintech SaaS	Patrick CollisonJohn Collison	7000	San Francisco, CA, USA	—
T Tuxebo	Tuxebo was a platform for renting things	A Ω	Real Estate and Construction / Real Estate and Construction	Marketplace	Manvir KenthJoachim Krebs		Remote	—
W Wakemate		WakeMate makes personalized alarm clocks that sync with both a user's body and their cell phone, enabling the iPhone alarm system to sound at the end of a REM cycle. The application/ wristband system…	Consumer / Consumer -> Consumer Electronics		Arun GuptaBenjamin Anderson	2	San Francisco, CA, USA	—
W WePay	Payments for platform businesses.	WePay is a multi-party payments API for SMB SaaS, POS Platforms, and Online Marketplaces. It was acquired by JPMorgan Chase in 2018.	Fintech / Fintech -> Payments	Fintech	Bill Clerico	400	Redwood City, CA, USA	—