The YC company directory.

3,760 active Y Combinator companies. Browse by batch, click into any company to read the one-liner, founders, and quick facts. Seoable was built for founders who run companies like these.

General ProximityWinter 2020

The next generation of induced-proximity medicines.

Gerald Technologies, IncWinter 2021

Buy Now Pay Later + Cash Advance for Household Essentials

GoLinksWinter 2019

Intuitive, easy-to-remember short links - powered by AI.

GrainWinter 2020

Grain transforms the debit card you already have into a credit card…

HackerRankSummer 2011

Change the world to value skills over pedigree

Helix NanotechnologiesWinter 2017

Next-generation mRNA platform to solve cancer, COVID and climate.

HelpWearSummer 2017

Healthcare

Hermes RoboticsWinter 2021

Autonomous street sweeping as a service by retro-fitting vehicles

HiOperatorSummer 2016

Customer support as a service.

HireSweetWinter 2020

A talent acquisition software built for data-driven recruiting teams.

HistoWizWinter 2016

Accelerating Histopathology for Cancer Research

Human DxSummer 2012

The Human Diagnosis Project.

HypeSummer 2022

Trade memecoins, news, trends

Immunity ProjectWinter 2014

The free HIV vaccine.

InitoWinter 2019

Enabling better self care with at-home hormone tracking.

InstabugWinter 2016

Mobile Apps Observability and Performance Monitoring Platform

JITXSummer 2018

Automatic circuit board design.

Kern SystemsSummer 2019

Using DNA to store data.

KestrollSummer 2025

AI media manager

Key ValuesWinter 2018

Helping software developers find teams that share their values.

KindamagicalSummer 2021

Create + share amazing product GIFs in minutes ⚡️

KoshexSummer 2021

Automating wealth creation for 400M Indian millennials

LawdingoWinter 2013

Lawdingo provides virtual paralegal services to law firms.

Leaders In Tech (formerly InnerSpace)Summer 2015

Helping founders improve themselves, their companies, and the world.

LeadGeniusSummer 2011

LeadGenius is an account-based marketing and lead generation…

Leena AISummer 2018

We at Leena AI build a virtual assistant that answers employee's…

LeerooSpring 2025

Continuously Learning AI Agents

LegionfarmWinter 2020

We connect gamers with training and assistance from Pro players

LemonBox HealthSummer 2018

From vitamins to meals, AI that optimizes your daily nutrition.

LingtSummer 2009

Lingt provided a web-based platform for learning languages leveraging…

LobSummer 2013

Lob is the only automation platform that transforms direct mail into…

LollipuffWinter 2013

Online Auctions for Authentic (Women's) Designer Goods

LUS BrandsWinter 2018

Hair care products for curly hair.

LygosWinter 2016

Lygos engineers yeast to convert sugar into high-value industrial…

LynksWinter 2016

Lynks is an e-commerce company that makes high demand products…

MagicBusWinter 2016

We make vanpool simple.

Maple MaterialsWinter 2019

We turn CO2 into battery-grade graphite and oxygen.

Mark Cuban Cost Plus Drug Company, PBCSummer 2018

Making low cost versions of high cost generic drugs.

MarkhorSummer 2015

Markhor is a DTC company that works with craftsmen to make shoes and…

MedigramWinter 2012

We are making a HIPAA-compliant, Groupme app for doctors to…

MedmonkWinter 2012

A tool for pharmacists to find funding for patients who are unable to…

MednetWinter 2017

Stack Overflow for Medicine

Menten AIWinter 2020

Menten AI designs peptide and protein therapeutics using quantum…

Meridian IndustriesSummer 2019

Index is the modern business intelligence platform

MetricWireSummer 2014

Mobile surveys for researchers

MicroverseSummer 2019

Training and connecting untapped talent with global opportunities

Mind Emulation FoundationWinter 2018

Healthcare

Mini ExhibitionsWinter 2020

Virtual events for remote teams

Mino GamesWinter 2011

Mobile games company

MixerBoxWinter 2014

AI Super-Apps to Live Easier | The anything anytime superapps…

Moby AnalyticsSpring 2025

AI financial auditors

Modern HealthWinter 2018

A mental health benefits platform for employers.

MotivesSummer 2025

Consumer focus groups run by AI

Mth SenseSummer 2012

We're a mobile on-device profiling and ad-serving platform initially…

Multiply LabsSummer 2016

Robotic production capacity for the pharma manufacturing industry

MytosSummer 2018

Robotic human cell manufacturing

NALAWinter 2019

Building Payments for the Next Billion.

NaturAll ClubWinter 2019

Frozen beauty products.

NectomeWinter 2018

Building a way to preserve long-term memories.

New IncentivesSummer 2016

Cash transfers that save lives.