Y Combinator Winter 2019
2019
195 companies in Y Combinator Winter 2019. Biggest markets: E-Commerce & Marketplaces (16), Biotech & AI Drug Discovery (14), No-Code Builders & Team Productivity (11). Each with its founders and the page its membership is read from.
1910Boston, MA, USAMultimodal AI Platform for Modality Agnostic Drug Discovery™

Precision medicine for Africans and the global population
BoardRE is a new type of mortgage company that upgrades any offer…
AccioJobGurugram, HR, IndiaUpskilling bootcamp for India

Disney meets Airbnb Experiences
AI InsuranceNew York City, NY, USA; San Francisco, CA, USAAI Insurance is the platform that runs insurance companies

Allo is an app that helps neighboring families meet and help each…
AllSome FulfillmentKuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia; Shah Alam, Selangor, Malaysia; RemoteFulfillment platform to build Southeast Asia e-commerce operations

A.I. to create stunning fashion images for eCommerce.
AlpacaSan Francisco, CA, USA; San Mateo, CA, USA; RemoteAPI-first stock and crypto brokerage platform
AmpUpSan Francisco, CA, USA; Cupertino, CA, USAWe make EV charging as simple and reliable as LED lights

EOR for the staffing industry
AshbySan Francisco, CA, USA; RemoteAll-in-one recruiting platform that empowers hiring excellence in…

Frictionless Data
AtlasSan Francisco, CA, USAModern spend management & concierge.

We produce cancer-curing materials used in nuclear medicine.
Aura VisionLondon, England, United KingdomIn-store analytics AI assistant to fix your retail stores

Building the first practical, integrated quantum computer.
Autodial prev QwestMiami, FL, USA; RemoteSkip Busy Phone Lines
Referral program SDK for startups
AvoReykjavík, IcelandFixing data quality in product analytics.

AXDRAFT helps corporations draft, negotiate and approve documents 10x…
Axel TravelSeattle, WA, USAAI agent that saves you money on travel

Acquired by FuboTV (NYSE: FUBO) - Contest automation software…

The social network for your close friends.

Basilica is an API that embeds high-dimensional data like images and…

Online and phone ordering for restaurant takeout and delivery
BentocartSan Francisco, CA, USALast-mile delivery for perishables.
Note taking workspace for B2B sales teams
BottomlessSeattle, WA, USABuilding the first sensor enabled marketplace for repeat purchases


Building infrastructure to expand scope and quality of virtual care
Bunkerhill HealthSan Francisco, CA, USABunkerhill is the agentic AI platform for health systems
Buy Me a CoffeeLondon, England, United Kingdom; RemoteHelping creators monetize
Canopy (was Encarte)San Francisco, CA, USAEncarte is building 1-click checkout for all online stores.

All your notes, tasks, and files in one super-fast workspace.

Online school for Chinese to learn in-demand digital skills


Benefits for independent workers.
CentaurBoston, MA, USAWe Create Superior Data By Making Annotation Competitive

No code app builder.

Cherry lets employees choose their own workplace perks.
CityfurnishNew Delhi, DL, IndiaCityfurnish - Commitment-free furniture rentals for a better you!

Bring your most important groups closer together
Community Phone CompanySan Francisco, CA, USA; RemoteThe phone that gives families peace of mind about aging parents

White-label Bookface for companies and communities!

Software for the commercial services industry.
ConvictionalToronto, ON, Canada; RemoteConvictional replaces Slack to keep teams mission aligned by design.
CosmicSan Francisco, CA, USA; RemoteCosmic is an AI-powered headless CMS

Higher Ed's Best Friend - integrated academic operations software.
CredPalLagos, LA, Nigeria; LA, NigeriaCredPal is a buy now pay later company in Africa that allows…
CuantoPanama City, Panama, Panama; RemoteBuilding the operating system for developing world merchants
DaggerSan Francisco, CA, USA; London, England, United Kingdom; Seattle, WA, USA; Portland, OR, USA; Boulder, CO, USA; Lyon, Auvergne-Rhône-Alpes, France; Buenos Aires, CABA, Argentina; Bogotá, Bogota, Colombia; Vancouver, WA, USA; Montevideo, Montevideo Department, Uruguay; Ponta Delgada, Azores, Portugal; RemoteDevelop your CI/CD pipelines as code and run them anywhere

Daily telehealth care for people with COPD, CHF, hypertension, and…

Datamode (datamode.com) is a tool for engineers to instantly diagnose…
DeelSan Francisco, CA, USA; RemoteThe all-in-one HR and payroll platform for global teams
DemodeskMunich, BY, GermanyAI-powered sales coaching
Managed equipment data pipelines for manufacturers

DockupBengaluru, KA, India; Mountain View, CA, USAOn demand ephemeral environments to run manual and automated tests.

Automate paperwork by turning documents into structured data.

Acquired by Alarm.com - We make existing apartment access smart.
DopplerAustin, TX, USA; RemoteSecure secrets. Prevent breaches. Keep teams moving.

Eclipse FoodsSan Francisco, CA, USA; Oakland, CA, USAEclipse Foods is building the future of dairy using micelles, the…
EdystHyderabad, Telangana, IndiaEdyst is a peer-to-peer online learning platform where students learn…

Acquired by Brex. Building digital payments infrastructure.
Emi LabsBuenos Aires, CABA, Argentina; RemoteHelping great teams hire better frontline workers, faster.

Precision-first therapies
QA Bots for Games
ExcepgenSan Francisco, CA, USA
ExlyNew Delhi, DL, IndiaOne stop shop for creators to launch, manage & grow their knowledge…
FIRSTPhiladelphia, PA, USA; RemoteThe best way for any business to offer delivery.
FlockjaySan Francisco, CA, USA; RemoteAI-driven learning, content, and coaching for sales teams
FLOWER CO.Los Angeles, CA, USAFLOWER CO. sells weed on the internet.

Online job simulations for companies to train, and then hire, students

The everything store for restaurants in LATAM.

Unified API for financial data aggregators.

Fuzzing as a Service

Geosite is an enterprise SaaS platform for spatial data.
GlideSan Francisco, CA, USA; RemoteGlide turns spreadsheets into beautiful, intelligent apps.
GlobeLondon, England, United Kingdom; Seychelles; Remotecoinbase for derivatives
GoLinksSan Francisco, CA, USA; San Jose, CA, USA; RemoteIntuitive, easy-to-remember short links - powered by AI.

We deliver affordable renewable energy direct to customers and are…
HandleSan Francisco, CA, USASimplifying Payments and Compliance for Construction Suppliers

The AI CSR Platform
Heart AerospaceLos Angeles, CA, USAHeart makes electric airplanes with an all-electric range of 250 miles

A collaborative repository for user feedback.

AI-powered sleep coach learns and optimizes your sleep
InitoBengaluru, KA, IndiaEnabling better self care with at-home hormone tracking.

The first extensible browser for iOS
Instapath Inc.Houston, TX, USAWe built the world's first automated digital pathology lab.
Intact TherapeuticsSan Francisco, CA, USA; Los Altos, CA, USASmart gels for local drug delivery to the gut
IntellineWaterloo, ON, CanadaIntelline makes the world's most efficient fuel agnostic engines for…

Safe & Secure Cash Management for Businesses
JetPack AviationLos Angeles, CA, USAFlying motorcycles

KalshiNew York City, NY, USA; New York, NY, USA1st federally regulated exchange where people can trade on events
KeeperSan Francisco, CA, USAAI tax filing for complex returns
KeynuaLima, Callao Region, Peru; Lima, Lima Province, Peru; RemoteE-signatures with identity verification for Latin America

Find furnished rentals and compatible housemates for 1-12 month stays

Making car ownership more inclusive, flexible and simple.
LandedNew York City, NY, USAGenerative AI for frontline worker hiring
LatchelSeattle, WA, USA; Remote24/7 emergency maintenance department for property managers and…
LEAH LabsMinneapolis, MN, USALiving therapies for pets first, and their people next
LezzooErbil, Kurdistan Region, IraqLezzoo is an on-demand delivery Superapp for Iraq.

The safest way to buy and sell collectibles

We make $1,000 Amazon Go stores.
Maple MaterialsSan Francisco, CA, USAWe turn CO2 into battery-grade graphite and oxygen.
Mars AutoSeoul, Seoul, South KoreaAutonomous trucks to fully automate long-haul freight shipping
MedCryptSan Diego, CA, USAMedCrypt gives medical device vendors cybersecurity features in a few…

First IoT reliability platform for debugging, monitoring, OTA updates
MiddeskSan Francisco, CA, USAWe make it easier for B2B companies to transact with one another
MobotNew York City, NY, USA; New York, NY, USAMobot is a QA-as-a-service platform using actual mechanical robots
MudrexBengaluru, KA, India; RemoteIndia's largest crypto investing paltform
NabisNew York City, NY, USANabis is the largest licensed cannabis wholesale platform.
NALANew York City, NY, USABuilding Payments for the Next Billion.
NaturAll ClubPhiladelphia, PA, USAFrozen beauty products.
Nebullam (DBA Clayton Farms)San Francisco, CA, USAWe put farms inside restaurants, so customers get healthier food and…

The core engine of supply chain in LATAM
NumeroSan Francisco, CA, USA; RemoteModern fundraising software for political campaigns and nonprofits.
OktetoSan Francisco, CA, USA; Denver, CO, USA; Madrid, Community of Madrid, Spain; Buenos Aires, CABA, Argentina; RemoteCloud Development Environments with one click
Our World in DataOxford, England, United Kingdom; RemoteResearch and data to make progress against the world’s largest…
OutRival, Inc.Miami, FL, USAOutbound AI Agents for Education, Insurance, and Travel
OverviewSan Francisco, CA, USAReshaping industrial quality with AI, hardware, and software

Restoring nature to solve climate change.

Parker is a digital bank.

Indoor navigation through augmented reality on your phone.

Your personal clothing store!
- PNOĒAthens, Greece; Miami, FL, USA
Enabling health professionals to prescribe clinical-grade wellness…
Pools (fka Withfriends)New York City, NY, USAPools is a memberships platform for event organizers

Portal Entryways upgrades disabled-accessible doors so they can be…
PositiveLos Angeles, CA, USAB2B supplier of fresh/healthy packaged food
PostscriptRemoteThe SMS revenue platform for e-commerce merchants

No-code Web Apps testing for everyone
Probably GeneticSan Francisco, CA, USAPatient Intelligence Platform for Genetic Disease
PrometheusSanta Cruz, CA, USAWe use solar and wind power to make zero net carbon electrofuels
ProntoMexico City, CDMX, MexicoRide-sharing for second-tier cities in Latin America.

We are a connected network of smart health machines in India.
PyxaiPort St. Lucie, FL, USA; RemoteAn assessment tool that evaluates people to predict future success
RavnBoston, MA, USA; San Francisco, CA, USARavn is building a heads-up display for soldiers.
rct AILos Angeles, CA, USAbuild AI NPCs
ReelablesLondon, England, United KingdomThe Future of Supply Chain Data Tracking and Visibility

We solve drug resistance for cancer
RuneNew York City, NY, USATalk & play multiplayer games with your friends!
Sapling.aiLos Angeles, CA, USALanguage models for enterprise applications.
SchoolableLagos, LA, Nigeria; LA, NigeriaTuition collection service for K-12 private schools in Africa
SciTokSan Francisco, CA, USA; RemotePlatform for scientists to share their research via videos

Talent AI improving quality of hire

Trade finance company for Indian exporters
ShefSan Francisco, CA, USAShef is a Marketplace for Homemade Food

Shiok Meats is a cell-based clean shrimp company, the first of its…
ShipperJakarta, Jakarta, IndonesiaSoutheast Asia’s e-commerce logistics and enablement platform

We do reviews for dishes. Our app helps users find the very best…
Skill-lyncChennai, TN, IndiaOnline engineering college for India. Learn technical skills & get…

Work at the speed of thought
Sorting RoboticsLos Angeles, CA, USAWe create automation technology for the cannabis industry.

The Rocket Network: Sustainable & On-Demand Delivery Anywhere in Space

Large Scale Genomic Data Mining Software
Spire LawOrlando, FL, USATech enabled business and employment litigation law firm.
Spring in AfricaSan Francisco, CA, USA; LA, Nigeria; RemoteInvesting in innovation
Sublime BlackInactiveAutomating Cyber Security Incident Response Through Artificial…
SunsamaKailua, HI, USA; Oakland, CA, USA; RemoteDaily planner for busy professionals
Superb AISeoul, Seoul, South KoreaSuperb AI provides end-to-end computer vision MLOps platform
SupernovaPrague, Prague, CzechiaDesign system platform joins developers and designers together

Taali IncMumbai, MH, India; New York, NY, USATaali is creating popcorn 2.0 from popped water lily seeds

AI-powered corporate learning for accelerated employee growth & skill…
Tailornova/CouturmeSan Francisco, CA, USA; RemoteAI for Instantly Manufacturable Fashion
TaoboticsShenzhen, Guangdong, ChinaAutonomous robots for retails.
TermiusAuckland, New ZealandTermius is an SSH client with team collaboration features
The JuggernautNew York City, NY, USA; New York, NY, USAThe global community for the South Asia-curious
Thrive AgricAbuja, Federal Capital Territory, NigeriaThriveAgric help Farmers in Africa access finance, insight and Markets

AI driven professional engineering firm
Trexo RoboticsToronto, ON, CanadaExoskeletons to help people walk, starting with children
TruoraCali, Valle del Cauca, ColombiaReliable background checks & fraud prevention tools for Latin America.


Furnished Co-living Apartments for International Students, here in…
UpsolveBoston, MA, USA; New York, NY, USAHelping low-income Americans overcome debt and rebuild credit at…
ValoSan Francisco, CA, USACutting edge hydrofoil systems for boatbuilders

Play high-end PC games on your laptop by streaming them.
VertoLondon, England, United KingdomCross-Border Payments and FX Simplified

Build React components visually
Volk WirelessInactive
Volta Labs, Inc.Boston, MA, USA; Cambridge, MA, USAUnlocking the utility of genomics for the world.
VotingWorksBoston, MA, USA; CA, USA; RemoteNon-profit building open-source voting machines for US elections.
WanderlogSan Francisco, CA, USATravel planner for researching, organizing, and mapping your trip
WeatherCheckLouisville, KY, USAWeatherCheck monitors properties for hail damage so that insurance…

AI Powered Personalized Videos
WindwalkAustin, TX, USA; San Francisco, CA, USA; RemoteWindwalk is the industry leader in building, growing, and operating…

Safety & quality software for industrial sectors.
XGenomesBoston, MA, USA; Cambridge, MA, USAXGenomes is building the sequencing technology of the future.
YourChoice TherapeuticsSan Francisco, CA, USA; Berkeley, CA, USAYourChoice therapeutics is revolutionizing the contraceptive market…

Find beautiful homes

#1 Data platform for restaurants. Acquired by Thanx