YC Companies/Winter 2015

YC Winter 2015 Data Room

111 companies·Last synced Apr 5, 2026
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111 of 111 companies
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Using AI to predict biochemistry for manufacturing and therapeutics

Healthcare
Healthcare -> Industrial Bio
San Francisco, CA, USA
Artificial Intelligence
Biotech

The next decade is going to see a biotech revolution fueled by three technologies: ability to read DNA (sequencing), ability to write DNA (synthesis), and computational systems that predict what DNA to read and write. Wi…

2
Chris Anderson
Saurabh Srivastava
Consumer
Consumer -> Social
Ljubljana, Ljubljana, Slovenia

3dot is a think-tank company based in Ljubljana, Slovenia. Our core business is developing ideas, products and services based on newest technologies for our partner companies and their customers. The companies we work w…

2
Euwyn Poon
Michael Douglas
Wilkins Wing-Hei Chung

Rebuilding healthcare with AI at the core

Healthcare
Healthcare -> Healthcare IT
Los Angeles, CA, USA
Artificial Intelligence
Deep Learning
Healthcare

For the first time in history, technology exists to create a healthcare system that anticipates your needs, responds with precision and is accessible to everyone -- regardless of financial means or geography. Since 20…

1000
Jared Goodner
Prashant Samant

On a mission to programmatically automate, optimize, and unify your…

B2B
B2B -> Marketing
San Mateo, CA, USA
Analytics
Advertising

On a mission to automate, optimize, and unify your digital advertising campaigns with incredible software.

2

Launch small satellites

Industrials
Industrials -> Aviation and Space
San Mateo, CA, USA
Space Exploration
Satellites

Bagaveev Corporation is a startup backed by Adam Draper's Boost accelerator (boost.vc) and advised by Tim Draper (dfj.com) is designing, building and testing 3D printed aerospike rocket engines that will power both…

2
Nadir Bagaveyev

An end-to-end digital banking solution for banks and credit unions

Hiring
Fintech
Fintech -> Banking and Exchange
Troy, MI, USA; Remote
Banking as a Service
Conversational Banking
Fintech

Bankjoy provides a full suite of modern digital banking software, including mobile banking, online banking, online account opening, loan applications, and conversational AI to banks and credit unions.

60
Mike Duncan

Bizzy is omni-channel marketing for ecommerce businesses.

B2B
B2B -> Retail
San Francisco, CA, USA
E-Commerce
Marketing

Bizzy is an automated marketing platform designed to boost sales for ecommerce shops. Bizzy is the first tool to centralize a business’ entire marketing portfolio around a single, dynamic set of customer data. As this ce…

2
Chiara McPhee
Jennifer Kessler

Bluesmart makes smart luggage powered by an app to empower people to…

Consumer
Consumer -> Consumer Electronics
New York, NY, USA
IoT
Travel

Bluesmart is a global travel company that became famous for creating the world's first smart connected luggage. Its first product, the Bluesmart Carry-on, launched in October 2014 through Indiegogo and raised more than $…

51
Alejo Verlini

Bonfire is reimagining RFPs & bidding for gov procurement teams

B2B
B2B -> Finance and Accounting
ON, Canada
SaaS
GovTech
Procurement

Bonfire is the leading next-generation eSourcing / competitive bidding and RFx platform. Bonfire goes beyond the basic automation of eProcurement suites and older simple bidding tools, helping you to make better, fa…

95
Alex Millar
Corry Flatt

Booktrope provides a software platform that makes it easy for…

B2B
B2B -> Marketing
Seattle, WA, USA; Remote

** NO LONGER IN BUSINESS ** Booktrope is reinventing the way books are published. We are not a self-publishing operation. What does that mean? At Booktrope we do not charge authors to publish nor do we accept all subm…

51
Andy Roberts
Katherine Sears
Kenneth Shear

Sunrun for the developing world

Industrials
Industrials -> Energy
Mexico City, CDMX, Mexico; Remote
Fintech
Solar Power
Climate

Bright is Mexico’s #1 residential solar provider (think Sunrun for the developing world, starting first in Mexico). We provide the financing and software that enable thousands of student ambassadors and retail promoters …

100
Jonah Greenberger

The operating system for commercial buildings.

Real Estate and Construction
Real Estate and Construction -> Housing and Real Estate
Niagara Falls, NY, USA; Remote
Sustainability
Proptech
Energy

Revolutionizing building management. Our platform allows building owners to deliver better customer service via custom software. We have deployed this in a 1M sq.ft. Class A office building, where we were able to lowe…

1
Ritesh Patel

The world's first private mass transit service providing a commuting…

Consumer
Consumer -> Transportation Services
San Francisco, CA, USA
Transportation

At Chariot, we're focused on creating the world's first self-sustainable mass-transit system that relieves congestion while offering a comfortable, personalized commuting experience. The core of our mission is univers…

501
Romain Di Vuolo

The World’s First Countertop Precision Grill – using two ceramic…

Consumer
Consumer -> Consumer Electronics
Palo Alto, CA, USA
Hardware

Cinder designs and manufactures premium smart cooking appliances that empower people who love great food to evolve the way they cook and eat at home.

2
Eric Norman
Jim Reich

Laundry & Dry Cleaning delivered.

Consumer
Consumer -> Home and Personal
New York, NY, USA
Delivery
Logistics

We started Cleanly to create an alternative to your typical laundry and dry cleaning experience. An alternative where delivery occurs at the tap of a button and happens around your schedule. Where people are friendly an…

40
Chen Atlas
Itay Forer
Tom Harari

Tech-Enabled Real Estate Company (YC W15)

Real Estate and Construction
Real Estate and Construction -> Housing and Real Estate
Ann Arbor, MI, USA
Real Estate
Proptech

Cribspot is an online platform for college students and property managers that streamlines finding and leasing off-campus housing.

2
Evan Dancer
Jason Okra
Tim Jones

Cyberfend delivers robust, real-time web and mobile security by…

B2B
B2B -> Security
Santa Clara, CA, USA
Cybersecurity
Fraud Prevention

Cyberfend offers a robust security solution to protect your web and mobile applications from sophisticated attacks and fraudulent activity. Cyberfend's solution detects account take-over, payment fraud and the use of sto…

2
Sreenath Kurupati

A synthetic photo studio for e-commerce

B2B
B2B -> Marketing
Toronto, ON, Canada; Remote
Artificial Intelligence
Augmented Reality
Computer Vision

Dabble is a virtual photo studio for e-commerce powered by hyper-realistic CGI and computer vision. The demand for content in retail is skyrocketing due to the pandemic induced surge in online shopping, but product photo…

3
Neil Mathew
Prasenjit Mukherjee
Yan Ma

Dealyze helps national retailers build exceptional customer and…

B2B
B2B -> Retail
San Francisco, CA, USA
Retail Tech
Retail

Dealyze is an in-store digital custom rewards and referral program with automated marketing tools for small businesses that is proven to bring back customers. Tailored to your specific needs, Dealyze ensures every transa…

6
Mark Salpeter
William Baron

Censorship resistant democracies.

Unspecified
Unspecified
Madrid, Community of Madrid, Spain; Remote
Crypto / Web3
Nonprofit

Our mission is to build a sustainable democracy for the Information Age. We create censorship resistant, free and open source software that can deploy democracies anywhere there's an internet connection. We have implemen…

2
Guido Vilariño
Pia Mancini
Santiago Siri

Online space for deliberation, policy making and democratic…

Government
Government
Buenos Aires, CABA, Argentina
Civic Tech
GovTech

DemocracyOS is an online space for deliberation and voting on political proposals. It is a platform for a more open and participatory government.The software aims to stimulate better arguments and come to better rulings,…

1
Guido Vilariño
Fintech
Fintech -> Banking and Exchange
New York, NY, USA

Direct Match was a venture-backed startup building the first all-to-all US Treasury trading venue.

11
Galen Simmons

Real-time Nielsen ratings for Brands.Accelerate marketing and product…

B2B
B2B -> Marketing
Mountain View, CA, USA
Analytics
Social

eBrandValue, Inc. is a Mountain View, CA-based company that acts as a BI platform for brands and leverages social data to forecast sales and provide competitive intelligence. Its unique proprietary algorithm essentially …

10
Ayse Akcura
Tolga Akçura

Cloud solutions for the construction industry.

Top Company
Hiring
Real Estate and Construction
Real Estate and Construction -> Construction
Columbia, MO, USA
Construction

EquipmentShare delivers cloud solutions for the construction industry. We provide a better equipment rental experience, fleet tracking software and hardware security solutions to help contractors work smarter.

5400
Brad Siegler
Jabbok Schlacks
Jeff Lowe
+1 more

A credit card that drastically reduces payment fraud and gives…

Fintech
Fintech -> Payments
Oakland, CA, USA
Payments
Security

At Final, we are re-building the credit card from the ground up. Final is issuing a credit card that gives consumers total control over their merchant relationships, transparency in their spending, and piece of mind …

11
Matt Rothstein

Community-driven marketplace for sneakers.

Consumer
Consumer -> Apparel and Cosmetics
Los Angeles, CA, USA
Marketplace

FLIP is everyone’s sneaker connect — the premier specialty destination where people find and sell hard to find, rare, limited edition sneakers. They have created a community where their members can buy and sell with conf…

Kemar Newell

A complete DevOps platform delivered as a single application.

Top Company
B2B
B2B -> Engineering, Product and Design
San Francisco, CA, USA; Remote
Developer Tools
DevSecOps
Open Source

GitLab is the first single application for the entire DevOps lifecycle. Only GitLab enables Concurrent DevOps, unlocking organizations from the constraints of today’s toolchain. GitLab provides unmatched visibility, radi…

2000
Dmytro Zaporozhets
Sid Sijbrandij

Fundraising, Volunteer and Donor Management SaaS for nonprofits.

Hiring
B2B
B2B -> Finance and Accounting
New York, NY, USA
SaaS
Nonprofit
B2B

Giveffect provides a powerful all-in-one software platform exclusively for nonprofits. We offer fundraising, events, online donations, volunteer management, donor management, marketing, constituent relationship managemen…

Allan Shin
Kevin Shin

We produce & sell stainless steel water bottles that enables people…

Consumer
Consumer -> Home and Personal
London, England, United Kingdom; Remote
Sustainability

GiveMeTap is a social enterprise. Our mission is to make clean drinking water available to everyone, everywhere. We create stainless steel water bottles, and each bottle funds 5 years of clean water for someone in Afr…

1
Edwin Broni-Mensah

Clean app for check writing

Fintech
Fintech -> Consumer Finance
Mountain View, CA, USA
Fintech
Payments

Glassjar designs and develops software that enables its users to manage their flat's shared expenses. It offers Flatting, a software product that enables its users to keep track of their flat's expenses, including flat a…

2
George Smith
Matt Galloway

Improve communications with your group's own mobile app.

Consumer
Consumer -> Social
San Francisco, CA, USA
Messaging
Team Collaboration

GroupAhead is a YC-backed company that allows groups to create their own dedicated smartphone apps. The easy-to-use, single-purpose app focuses solely on connecting an organization's members. With a dedicated, specializ…

2
Brian Glick
Julian Frumar

AI-powered technology enabler and digital transformer of American…

Top Company
B2B
B2B -> Supply Chain and Logistics
San Francisco, CA, USA
E-commerce
Supply Chain
Food Tech

GrubMarket is the AI-powered technology enabler and digital transformer of American Food Supply Chain industry. Our mission is to build and provide the eCommerce and software technologies to this industry, to transform t…

4548
Mike Xu

Helping restaurant employers find & hire better employees faster

B2B
B2B -> Recruiting and Talent
Toronto, ON, Canada; Remote
SaaS
HR Tech
Restaurant Tech

HigherMe is all-in-one hiring software for restaurant and retail businesses to easily recruit, screen, interview, and onboard employees. Quickly review applications, schedule interviews, manage job board postings, and fi…

45
Jef Chedeville
Rob Hunter

We design and build microbes to make chemicals greener at lower cost.

Healthcare
Healthcare -> Industrial Bio
Alameda, CA, USA
Carbon Capture and Removal
Bioplastic
Climate

At iMicrobes, we believe there are opportunities for biology to solve our biggest problems. Our mission is to work with the world’s largest companies to use new raw materials and recycle waste for chemical production, p…

12
Derek Greenfield
Liz Clarke
Noah Helman
Fintech
Fintech -> Asset Management
Mountain View, CA, USA

Investors can list their trades on Instavest, including the company, share amount and rationale behind the investment. Other users can invest alongside the people willing to share their own purchases and sales. Instavest…

2
Saleem Khatri

A platform to finance inventory for e-commerce companies.

B2B
B2B -> Finance and Accounting
San Francisco, CA, USA; Remote
Fintech

Kickpay is transforming how companies finance their inventory. By leveraging a client's data, we enable them to access financing that was previously unavailable, allowing them to grow faster. With Kickpay, you only…

2
Andrew McCalister
Sean Watters
Stefano Bernardi

Labdoor is building the trusted online drugstore.

Consumer
Consumer -> Food and Beverage
San Francisco, CA, USA
Marketplace
Consumer Health Services

Labdoor is a marketplace where consumers research, find, and buy the best supplements. To verify the purity and potency of these products, Labdoor first buys and tests actual dietary supplement samples: • We send eac…

11
Helton Souza
Neil Thanedar
Rafael Ferreira

Software eats custom framing

Consumer
Consumer -> Home and Personal
NY, USA; Atlanta, GA, USA; South Lake Tahoe, CA, USA
E-commerce

Level Frames is making it more convenient, affordable and intuitive to custom frame posters, prints, photos and more. By bringing the entire experience online and offering amazing support, we can help make your walls in …

5
Damian Sowers
Josh Hubball

Next generation infectious disease test kits

Healthcare
Healthcare -> Diagnostics
Emeryville, CA, USA
Health Tech
Diagnostics

Diassess Inc. is revolutionizing the way infectious diseases are prevented, diagnosed, and monitored by developing the tools necessary to empower people to become knowledgeable about their health. We produce inexpensive,…

43
Debkishore Mitra

Lully is developing an under-the-mattress technology that precisely…

Healthcare
Healthcare -> Consumer Health and Wellness
San Francisco, CA, USA
Sleep Tech
Health Tech

At Lully, we’re building the children’s sleep company. We create innovative, thoughtfully-designed, clinically-proven consumer products to help children, and their families, sleep better. Our first product, The Sleep…

5
Andy Rink
Varun Boriah

Packaging for online brands.

B2B
B2B -> Supply Chain and Logistics
Los Angeles, CA, USA
E-Commerce
Supply Chain

Lumi.com provides packaging and shipping supplies to online brands, from small businesses to leading ecommerce companies shipping millions of orders per month.

67
Jesse Genet
Steph Ango

Extremely talented assistants for busy people

B2B
B2B
Washington, DC, USA; San Francisco, CA, USA; Remote
B2B
AI Assistant

Magic is the most convenient way to access quality virtual assistants to scale your business.

350
Aaron Kemmer
David Merriman
Michael Rubin
+2 more

Scale new user acquisition with YouTube Creators

B2B
B2B -> Marketing
New York, NY, USA; Remote
Marketplace
B2B
Social Media

Makrwatch helps D2C companies scale user acquisition with YouTube creators. Our clients see us as an alternative growth channel to Google/Facebook, by reaching their audience at a more efficient cost per acquisition and …

19
Andres Felipe Diaz
Carlos Saavedra

Self-Checkout using Computer Vision.

Hiring
B2B
B2B -> Retail
Palo Alto, CA, USA
Cashierless Checkout
Deep Learning
Hardware

Mashgin creates better retail experiences through visual automation. We’ve built a self-checkout kiosk that uses computer vision to scan multiple items without barcodes, reducing checkout time by 10x. We’re completel…

75
Abhinai Srivastava
Mukul Dhankhar

Point of Sale and Compliance SaaS for Cannabis Dispensaries

B2B
B2B -> Retail
San Francisco, CA, USA
SaaS
Cannabis

Headquartered in San Francisco since 2014, Meadow builds powerful Point of Sale and eCommerce software for retailers in the legal cannabis industry. Meadow’s all-in-one platform allows dispensaries to sell products, mana…

14
David Hua
Harrison Lee
Rick Harrison
+1 more

Observability platform to control all of your log data

B2B
B2B -> Infrastructure
San Jose, CA, USA; Mountain View, CA, USA; Remote
Developer Tools
DevSecOps
SaaS

Mezmo, formerly LogDNA, is an observability platform to manage and take action on your data. It ingests, processes, and routes log data to fuel enterprise-level application development and delivery, security, and complia…

172
Chris Nguyen
Lee Liu

MobyDish, a tech-enabled service, allowing anyone to place a catering…

B2B
B2B -> Retail
Austin, TX, USA; San Francisco, CA, USA; Remote
Food Service Robots & Machines
Food Tech

MobyDish, a tech-enabled service, allowing anyone to place a catering order online in less than 3min to feed people from 10 to 1,000 people. We select the best restaurants, hire and train our fleet of drivers who will de…

10
Bruno Didier

eCommerce building blocks through simple APIs for websites & apps.…

B2B
B2B -> Retail
Boston, MA, USA
Payments
E-commerce
API

At Moltin, we believe that brand experiences should never be obscured by technology and that commerce development should be simple, lightweight and fun. Moltin is an API-first digital commerce solution that enables r…

32
Adam Sturrock
Jamie Holdroyd

Nextop optimizes the path between your app and backend. Client…

B2B
B2B -> Infrastructure
Developer Tools
DevOps

Nextop IO is a mobile content delivery network (CDN) that optimizes the path between mobile applications and back ends. It offers a client-side networking library that integrates with iOS and Android operating systems; n…

2
Brien Colwell

NexTravel is a centralized travel booking platform that helps…

B2B
B2B -> Finance and Accounting
San Francisco, CA, USA
Travel
Booking

NexTravel is a platform for companies to manage and streamline travel. We help companies get access to corporate/group negotiated rates for hotels, cars - making booking travel easier and more cost-effective. Email us at…

17
Alexey Pakhomov
Wen-Wen Lam

On-demand prescription delivery.

Hiring
Healthcare
Healthcare -> Consumer Health and Wellness
Redwood City, CA, USA; Menlo Park, CA, USA
SaaS

We enable people to live their best lives. As we succeed, there is more convenience, healthier communities and thriving businesses. We get medications to those who need them and improve information, access and management…

130
Talha Sattar

Wave our food in front of your Nomiku and have dinner for everyone…

Consumer
Consumer -> Home and Personal
San Francisco, CA, USA
Food Tech

Founded in 2012, Nomiku invented the home sous vide immersion circulator and are make it connected. Proudly manufactured in the United States, Nomiku’s quality is renowned in the culinary world and put to the test in…

11
Abe Fetterman
Lisa Q. Fetterman

Personalized drug discovery for blood cancer.

Top Company
Hiring
Healthcare
Healthcare -> Diagnostics
Foster City, CA, USA
Biotech
Drug discovery
Oncology

Notable Labs is building a personalized drug discovery platform to identify treatment options for relapsed and refractory cancer patients — starting with blood cancer — to address the long tail of cancer treatment. We lo…

40
Matthew De Silva
Pete Quinzio

Artificial intelligence for drug discovery.

Healthcare
Healthcare -> Drug Discovery and Delivery
San Francisco, CA, USA
AI-powered Drug Discovery
Deep Learning
Biotech

Numerion Labs is an AI-native company accelerating the discovery of life-saving medicines through the development and use of cutting-edge machine learning algorithms. The company unites computational chemistry, structura…

67
Alex Levy
Izhar Wallach

Sticky notes for code. (We're building a community-powered,…

B2B
B2B -> Engineering, Product and Design
San Francisco, CA, USA
Developer Tools

Omniref is a code-based reference, maintained by and for the programming community. Find questions, comments, links and documentation on the code that you're already using.

2
Montana Low
Tim Robertson

A better way to buy a home

Real Estate and Construction
Real Estate and Construction -> Housing and Real Estate
Los Angeles, CA, USA
Marketplace
Real Estate

Open Listings was the all-in-one homebuying app designed to make buying a home simple and more affordable. We helped buyers purchase billions of dollars worth of homes and saved them over $25 million in commission fees. …

48
Judd Schoenholtz
Peter Sugihara

Create automated messages -- email, iOS/Android push, SMS and web…

B2B
B2B -> Marketing
San Francisco, CA, USA
Messaging
Analytics
Notifications

Outbound organizes the messages you send around the actions your customers take. We allow non-technical marketers and product people to set up automated email, push notification, SMS or voice messages when you need your …

2
Dhruv Mehta

Data Versioning, Data Pipelines, and Data Lineage

B2B
B2B -> Infrastructure
San Francisco, CA, USA
Developer Tools
Machine Learning
Data Science

Pachyderm is a tool for production data pipelines. If you need to chain together data scraping, ingestion, cleaning, munging, wrangling, processing, modeling, and analysis in a sane way, then Pachyderm is for you. If you…

60
Joe Doliner
Joey Zwicker

We make it insanely easy to design, price, and manufacture custom…

B2B
B2B -> Supply Chain and Logistics
San Francisco, CA, USA
Manufacturing

2000+ customers use Pakible including Samsung, Reddit, Soylent, and the Golden State Warriors. We make it insanely easy to design, price, and manufacture custom product packaging. Leveraging in house software to au…

3
Nick Carson
Phillip Akhzar

Paperspace is a cloud platform for building and scaling AI…

B2B
B2B -> Engineering, Product and Design
NY, USA
Machine Learning
AI

Paperspace is a cloud computing company creating simple and scalable accelerated computing applications. Our goal is to allow individuals and professional teams to seamlessly build and deploy computationally complex prod…

50
Daniel Kobran
Dillon Erb

The affordable way to search, find & communicate with an incarcerated…

Consumer
Consumer -> Social
Las Vegas, NV, USA
GovTech

Pigeonly is a subscription-based platform that makes it easy for people to search, find, and communicate with an incarcerated loved from anywhere in the world. Our technology cuts the cost of expensive prison calls by 8…

40
Alfonzo Brooks
Clifford Keeney
Frederick Hutson

Latin America's School of Technology

Education
Education
San Francisco, CA, USA; Santiago, Santiago Metropolitan Region, Chile; Mexico City, CDMX, …
Education
eLearning
Video

Platzi cracked online education. It teaches courses on design, marketing and programming with a 70% completion rate, to over one million students worldwide. The classes include real-time collaboration among students a…

300
Christian Van Der Henst
Freddy Vega

Analytics software that helps companies measure organizational…

B2B
B2B -> Recruiting and Talent
San Francisco, CA, USA
Machine Learning
SaaS

Pomello maps your organizational culture on a team-by-team basis, and integrates with your existing recruiting process to allow you to find the candidates most likely to thrive within your organization. Founded at St…

8
Catherine Spence
Oliver Staehelin

Software for collaborating with content creators and influencers

B2B
B2B -> Marketing
Chicago, IL, USA
Advertising

Popular Pays is a platform connecting content Creators with Brands who want content to tell their stories. We’re tech-forward, with an in-house built iOS and web app (for creators) and dashboard (for brands) that deliver…

37
Corbett Drummey
Steven Wanderski

Inventor of the first roaming-photo booth + pro photography platform

Consumer
Consumer -> Home and Personal
Boston, MA, USA; Remote
B2B

Pretty Instant was a Y Combinator-backed marketplace for professional photography and videography in the U.S., active from 2012 to 2020. Acquired by Snappr in 2021, the company served over 3,500 brands and non-profits, h…

3
Ben Maitland-Lewis
Chase McAleese
Chris Cave
+1 more

Priime is a company dedicated to advancements in technology around…

Consumer
Consumer -> Social
San Francisco, CA, USA; Remote

Priime's founding team of lifetime photographers are made up of Y Combinator alumni who are also seasoned developers and designers. Combining our passion in photography, with our experience and skills of product design a…

3
Andrew Ng
Arthur Chang
Joe Pestro
+1 more

Sourcing investment real estate

Real Estate and Construction
Real Estate and Construction -> Housing and Real Estate
New York, NY, USA
Real Estate
Investing

Quantierra sources real estate investments for developers. It uses their database and algorithms to determine what can be built, its value, and the probability of it selling. Taking a 1.5% cut of any property they hel…

5

We automate operations for hospitals and health systems

Hiring
Healthcare
Healthcare -> Healthcare IT
San Francisco, CA, USA; Remote
Artificial Intelligence
SaaS
Digital Health

Qventus’ mission is to simplify how healthcare operates so it just works — for everyone. The company offers an AI-based software platform that helps hospital teams make better operational decisions in real-time. Qven…

230
Ian Christopher
Mudit Garg

Empowering brick-and-mortar retailers to sell more and engage shoppers

Consumer
Consumer -> Home and Personal
San Francisco, CA, USA
E-Commerce
Retail

Rare Door is an ecommerce platform that helps user discover and buy great products available in nearby stores.

2
Andii Davis
Blake Adams

Our vision is to build the next generation of iOS or Android, to…

B2B
B2B -> Infrastructure
Beijing, Beijing, China

Raven Tech is a startup which focus on artificial intelligent, big data and the next generation operating system. Besides, Raven Tech is the fifth alumni of Microsoft Venture Accelerator and the only one startup team fro…

11
Cheng Lu

India's only full-stack financial solutions company for businesses.

Top Company
Hiring
Fintech
Fintech -> Payments
Bengaluru, KA, India
Banking as a Service
Fintech
Payments

The journey of building Razorpay started in 2014, when Harshil Mathur (CEO & Co-Founder) and Shashank Kumar (MD & Co-Founder) witnessed the dismal state of the online payments industry in India then and understood that t…

2700
Harshil Mathur
Shashank Kumar

Beautiful, personalized, interactive developer hubs

B2B
B2B -> Engineering, Product and Design
San Francisco, CA, USA; New York, NY, USA
Developer Tools
Design Tools

ReadMe provides every company the ability to easily create beautiful documentation, and build loyal, productive developer communities. With ReadMe, build developer portals that combine support, tutorials, topical guid…

52
Gregory Koberger

We’re building a platform to empower cities to plan the best possible…

Government
Government
San Francisco, CA, USA
SaaS
Transportation
Mobility

Remix’s mission is to help build more livable cities. Our software helps city planners understand their communities and design transportation systems that serve them. We’ve partnered with over 325 cities across 20 countr…

65
Daniel Getelman
Danny Whalen
Sam Hashemi
+1 more

Replika is an AI friend that you can talk to designed to make you…

Consumer
Consumer -> Content
San Francisco, CA, USA
Mental Health
Conversational AI

Luka is a software development company based in San Francisco, California. The company created Luka app, a new messenger with AI-powered chatbots. They help you find places to eat, do web search, make plans together, …

28
Eugenia Kuyda

We help medical residency programs create and manage their schedules,…

Healthcare
Healthcare -> Healthcare IT
New York, NY, USA
Scheduling
Healthcare

Rescheduling for residency programs. Rescheduling is one of the largest logistics pain points in hospitals and residency programs. Reschedule provides an end-to-end work flow to manage graduate medical education scheduli…

Taylor Fairbank

Actionable human trafficking intelligence

Government
Government
Nashville, TN, USA
Analytics
Security

Rescue Ops is a digital forensic that archives massive quantities of data from classified advertisement websites specializing in commercial sex ads for law enforcement agencies to use in anti-trafficking investigations.

Brandon Hamric
Ryan Dalton

Real-time BIM collaboration for fast, predictable construction

Real Estate and Construction
Real Estate and Construction -> Construction
New York, NY, USA; Remote
Virtual Reality
Construction
Collaboration

At Resolve we’re building the future of collaboration and review for the construction industry. Today, Resolve helps bridge the communication gap between people who operate buildings and those who design and build them. …

10
Angel Alonso Say
Russell Varriale

Full-service web, mobile, & cloud studio providing professional…

B2B
B2B -> Engineering, Product and Design
Austin, TX, USA
Open Source
Web Development
Cloud Computing

The Sails Company was founded by the original author and maintainers of the Sails framework. In addition to free and open-source software, The Sails Company offers a full-service web & mobile studio and professional supp…

4
Cody Stoltman
Mike McNeil
Scott Gress

Mobile banking for small business.

Fintech
Fintech -> Banking and Exchange
San Francisco, CA, USA
Fintech

Seed is simply a better way to bank. As a mobile first banking service designed with the small business in mind, Seed empowers small businesses with modern, easy-to-use digital tools and customer-support resources for st…

11
Brian Merritt
Ryan Hildebrand

Targeting Cancer with Click Chemistry

Healthcare
Healthcare -> Drug Discovery and Delivery
San Francisco, CA, USA; Remote
Biotech
Therapeutics

Shasqi is leading the development of therapeutics leveraging click chemistry to get active cancer treatments to tumors with its proprietary CAPAC™ platform. Our technology is based on localizing a click chemistry reagent…

28
Jose M. Mejia Oneto

Makers of simple, affordable medical devices. Our award-winning…

Healthcare
Healthcare -> Medical Devices
Seattle, WA, USA
Hardware
Medical Devices

Shift Labs makes medical devices that place technology and design on equal footing to create affordable solutions. We emphasize simplicity and create devices that serve the fastest growing healthcare markets in the world…

6
Beth Kolko

Real-time communication solution for retail and restaurant employees.

B2B
B2B -> Productivity
San Francisco, CA, USA
Restaurant Tech
Retail

Messaging solution that retail employees use every day Reduce employee turnover and save managers time

2
Austin Vedder
Matt Tognetti

SigOpt is an Optimization-as-a-Service platform that seamlessly tunes…

B2B
B2B -> Engineering, Product and Design
San Francisco, CA, USA
Machine Learning
SaaS
AI

SigOpt is the optimization platform that amplifies your research. SigOpt takes any research pipeline and tunes it, right in place. Our cloud-based ensemble of optimization algorithms is proven and seamless to deploy, and…

23
Scott Clark

SIRUM is a “match.com” for unused medicine. We connect institutional…

Unspecified
Unspecified
Palo Alto, CA, USA
Consumer Health Services
Nonprofit

SIRUM uses technology to connect, prioritize and simplify various sources of medicine. We help safety-net clinics access this medicine for their patients. SIRUM is an innovative nonprofit organization committed to red…

15
Adam Kircher
George Wang
Kiah J. Williams

Digitize $655B parking industry

B2B
B2B -> Analytics
San Francisco, CA, USA; Remote
SaaS
AI

Smarking is a group of hyper-driven MIT PhDs, data scientists, engineers, transportation experts, and battle-tested business professionals working to solve the notorious parking problem via a unique enterprise approach. …

17
Maokai Lin
Wen Sang

Smyte stops bad actors on social networks and marketplaces.

B2B
B2B -> Security
San Francisco, CA, USA
Security
Fraud Detection

Smyte stops spam, scams, harassment and credit card fraud for marketplaces and social networks. We automatically classify your website and mobile app's event data and stop bad actors at scale.

11
Josh Yudaken
Julian Tempelsman
Pete Hunt

SparkGift makes it easy to send stocks and index funds as gifts to…

Fintech
Fintech -> Consumer Finance
San Francisco, CA, USA
Investing
Stocks

SparkGift is a Y Combinator backed technology startup that makes it easy to give investments as gifts. The founders came together with a common vision that it should be as easy to give someone an investment in the f…

2
Bob Haigler
Peggy Mangot

Remote patient monitoring for lung disease patients.

Healthcare
Healthcare -> Consumer Health and Wellness
San Francisco, CA, USA
Telehealth
Medical Devices
Digital Health

We are a B2B medical device and data company passionate about providing remote monitoring solutions for the proactive care of chronic disease patients. Our core expertise and IP is in continuous respiratory sensing. Spi…

52
Neema Moraveji

Spoil is gifting for the Snapchat generation.

Consumer
Consumer -> Home and Personal
Berkeley, CA, USA
Social

Spoil fundamentally changes the way people interact with each other. Spoil brings people closer to on another through genuine gestures that are fueled by technology. With a tool that empowers its users to engage in pos…

2
Charlie Gascon
Cristian Asenjo
Mikhail Levkovsky

Buid, test and deploy perception applications

Healthcare
Healthcare -> Medical Devices
San Francisco, CA, USA
Machine Learning
Computer Vision
Open Source

We are multiplying the potential of the real world by making computer vision accessible to all. We create the cloud and edge tools that developers and non-developers require in order to build, deploy, and improve CV s…

9
Jeff Huber

Revolutionising the way travellers discover, plan and book a trip

Hiring
Consumer
Consumer -> Travel, Leisure and Tourism
London, England, United Kingdom
Fintech
Marketplace
Travel

At Tab, we’re revolutionising the way travellers discover, plan and book a trip. The Guide lets travellers find and book anywhere — with helpful recommendations from friends & local experts, rather than bland listings…

9
Mark Datta

Meet Tara AI, your new engineering efficiency co-pilot.

B2B
B2B -> Productivity
San Jose, CA, USA; Remote
Artificial Intelligence
Generative AI
SaaS

Tara AI helps engineering leaders measure and improve engineering efficiency, with fine-tuned, secure LLMs trained on source control and project data. Our customers include MongoDB, Clearbit and Prometric. Our platfo…

13
Iba Masood
Syed Ahmed

Mobile Productivity(Slack for mobile workforces)

B2B
B2B -> Productivity
Hong Kong, Hong Kong
B2B

TeamNote as a company was conceived in 2014 after spinning off from AppTask, a Hong Kong mobile app development company specialized in enterprise mobile solution development. TeamNote’s mission is to help corporations un…

11
Jon Yip
Ming Lo
Roy Law

Tech in Asia (YC W15) is the largest English-language technology…

Consumer
Consumer -> Content
Singapore, Singapore
Media

Tech in Asia (YC W15) is the largest English-language technology media company that focuses on Asia. From the latest news to the hottest trends and the boldest startups to the strongest titans, we cover everything tech i…

70
Willis Wee

Live home fitness training powered by computer vision.

Hiring
Healthcare
Healthcare -> Consumer Health and Wellness
San Francisco, CA, USA
Machine Learning
Consumer Health Services

SmartSpot is a post Series-A stealth startup backed by Founders Fund and Khosla Ventures that uses computer vision to deliver an unparalleled fitness training experience to your home. Our unique hardware solution gives a…

158
Joshua Augustin
Moawia Eldeeb

The Human Utility seeks to eliminate water service disconnections for…

Unspecified
Unspecified
Oakland, CA, USA; Remote
Crowdfunding

Founded July 2014, The Human Utility (formerly known as the Detroit Water Project) matches families needing help with utility bills to people who want to help through payments directly to utility companies. For over 4…

2
Tiffani Ashley Bell

Intelligent data security for teams

B2B
B2B -> Security
Palo Alto, CA, USA
Cybersecurity
Enterprise

At ThinAir They are building the future of data security--and it's wrought with exciting engineering challenges! As a cloud-based SaaS product, ThinAir is the first data security solution that allows everyone—administ…

11
Tony Gauda

The robotic cloud laboratory for the life sciences.

Healthcare
Healthcare -> Healthcare Services
Menlo Park, CA, USA
Robotics
Biotech

Founded in 2012, Transcriptic has developed the first robotic cloud lab platform for on-demand life science research. It’s powered by the Transcriptic Common Lab Environment (TCLE) a scalable, digital infrastructure that…

13
Max Hodak

Upgrading Your Wine Experience

Consumer
Consumer -> Food and Beverage
San Francisco, CA, USA
Marketplace
E-commerce
Food & Beverage

Underground Cellar is a leading wine e-commerce company that is changing the way wine is bought and sold in the $70B consumer US wine market through ‘gamification’. We provide a unique and exciting experience that gives …

26
Ben Herila
Brandan Zaucha
Brian Gallagher
+1 more

Valor Water Analytics delivers a SaaS platform to utilities to detect…

Industrials
Industrials -> Climate
San Francisco, CA, USA

Today, water supplies are more scarce than ever before, requiring water utilities to operate more efficiently than anyone thought possible. That’s where we come in. Like water, the flow of data from water utilities is…

2
PhD Christine E. Boyle

We are making the smart carbon fibre commuting bike and platform for…

Consumer
Consumer -> Consumer Electronics
Toronto, ON, Canada
IoT
Transportation

Vanhawks is both a hardware and software company with a goal of changing up the urban commute. Technology impacts our lives in countless ways – you’re connected, why shouldn’t your bike be? Our product is the Valour, a c…

11
Adil Aftab Iqbal
Ali Zahid
Sohaib Zahid

Bringing wider access to financial derivatives.

Fintech
Fintech -> Asset Management
McLean, VA, USA; Remote
Fintech
Investing

Vest, on a mission to bring wider access to financial derivatives and other institutional investment strategies, manages investment products worth $50+ billion (as of 9/30/25). Backed by private equity, the firm has a st…

50
Jeff Chang
Karan Sood

On demand veterinary house calls.

Healthcare
Healthcare -> Consumer Health and Wellness
San Francisco, CA, USA
Healthcare

Currently servicing the San Francisco Bay Area, Los Angeles, New York, Chicago, Washington DC, Baltimore, Atlanta, New Orleans and Tampa Bay. VetPronto is a new type of Veterinary Service dedicated to providing the most…

51
Joe Waltman
Katherine van Ekert
Soren Berg

Marketplace for employers to recruit college students and recent grads

Consumer
Consumer -> Job and Career Services
New York, NY, USA
Marketplace

WayUp is the #1 way to hire the right students and recent grads. We are the leading digital solution for employers to reach, engage, and recruit students and recent grads for internships and jobs. Find out more infor…

50
JJ Fliegelman
Liz Wessel

The digital sleep clinic

Healthcare
Healthcare -> Consumer Health and Wellness
San Francisco, CA, USA
Sleep Tech
Health Tech

Wink Health is a simple and effective way to get treatment for sleep apnea online. About 90% of people with sleep apnea go untreated. Our goal is to remove the barriers to getting diagnosed and receiving treatment. We d…

2
Chris Turitzin
Darwin Lo

WorkLife is a SaaS application that helps teams have more effective…

B2B
B2B -> Productivity
San Francisco, CA, USA
SaaS
Productivity
Collaboration

WorkLife is a web app that helps teams have more productive meetings. There are over 3 Billion meetings/year in the U.S. and studies show 50% of that time is completely wasted. WorkLife helps you reclaim that time by hel…

2
Dave Bryand
Dave Kashen
Val Agostino

Early, pain-free cancer detection.

Healthcare
Healthcare -> Diagnostics
Singapore, Singapore; Bangkok, Thailand; Düsseldorf, NRW, Germany
Medical Devices

X-ZELL™ is a global start-up specialising in rare cell detection technology. Backed by Y Combinator and various high-profile angel investors from around the globe – among them Gmail creator Paul Buchheit – X-ZELL™ ha…

19
Prapat Suriyaphol
Sebastian Punyaratabandhu Bhakdi

YesGraph recommends exactly who a user should invite to an app. Our…

B2B
B2B -> Marketing
Palo Alto, CA, USA
Social
Referrals

YesGraph helps your app grow by recommending exactly who a user should invite. We can help boost the performance of referral and invite flows in your app or web site. We use machine learning and social graph analysis …

2
Ivan Kirigin

End-to-end data science lifecycle management platform.

B2B
B2B -> Engineering, Product and Design
NY, USA; New York, NY, USA; Remote
Artificial Intelligence
Machine Learning
Enterprise

Yhat (YC W15, pronounced y-hat) was an end-to-end data science platform. Acquired by Alteryx (NYSE:AYX)

17
Austin Ogilvie
Greg Lamp

Inspection software for renewable energy & sustainable infrastructure

Industrials
Industrials -> Drones
Santa Monica, CA, USA; Remote
Artificial Intelligence
Drones
B2B

At Zeitview, our goal is to accelerate the transition to renewable energy and sustainable infrastructure. We do this by combining advanced inspection software with the ability to capture visual data in more than 60 count…

200
Dan Burton

Medical device that provides a more effective, less invasive…

Healthcare
Healthcare -> Medical Devices
South San Francisco, CA, USA
Medical Devices

Forty million men in the US and over 500 million worldwide suffer from urinary obstruction related to benign prostatic hyperplasia (BPH). The majority of men will experience symptoms of this disease at some point in life…

18
Shreya Mehta