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.

LlamaFarmWinter 2022

Build powerful AI projects locally, deploy anywhere

LoopsWinter 2022

Email sending for startups

LoulaWinter 2023

Enabling birth & postpartum doulas to easily accept Medicaid

LumeWinter 2023

Speed up customer implementation with AI

LuminaWinter 2022

AI+human powered automation on job-community platform with 1.5M…

LunaJoy HealthWinter 2022

AI-powered scalable infrastructure + mental health services, starting…

MagnaWinter 2022

Carta for Web3: token vesting and DeFi investment management.

MakeasiteSummer 2022

Create sites with just a prompt

Malama HealthSummer 2022

Doula-led holistic support during and after pregnancy

MantysWinter 2023

ARR Reporting and Forecasting for SaaS companies

MatanoWinter 2023

Cloud Native SIEM (alternative to Splunk/Elastic)

MatereeSummer 2022

E-commerce platform for construction materials in Indonesia

Maverick MetalsSummer 2022

Expanding Metal Production

MercoaWinter 2023

AI Agent for Billpay platforms to pay invoices with virtual cards

MetriportSummer 2022

Open-Source Platform for Healthcare Data Intelligence

MiddlewareWinter 2023

AI-based full stack observability platform

MilioWinter 2023

B2B-2C real-time account to account payments

MintlifyWinter 2022

The next generation of documentation

Mintplex LabsSummer 2022

Building the definitive all-in-one on-device AI tool suite

MiracleWinter 2023

Accelerate clinical trials with real-time, actionable insights

MockeSummer 2022

Mock email campaigns: know your reply rate 1 min without launch

MonecoSummer 2022

Neobank for African migrants in Europe

moonrepoWinter 2023

Open source build tool for monorepos and large codebases

Morf HealthSummer 2022

Workflow automation for healthcare providers

MovingLakeSummer 2022

Realtime Data Connectors

Muffin DataWinter 2023

Modern analytics for CPG brands

MySiviWinter 2022

MySivi - AI English Speaking Practice App

NangoWinter 2023

A single API for all your integrations

NearWaveWinter 2022

Helping physicians select the right therapy for breast cancer patients

NectarSummer 2023

Collecting utility data for energy managers and sustainability teams

Nest GenomicsWinter 2022

Software to launch and integrate genetics into clinical care

nsaveSummer 2022

Trusted $€£ accounts abroad for people from unstable economies.

NumeralWinter 2023

SaaS & Ecommerce sales tax on autopilot.

NuMindSummer 2022

Create custom NLP models

nunu.aiWinter 2023

Building the first multimodal agents to play and test games.

OffbeastWinter 2022

We make plant-based steaks with an authentic texture

OfOneWinter 2023

AI-powered order taker for restaurant drive-thrus

OneleetSummer 2022

YC's most popular security compliance platform (SOC 2, ISO 27001,…

Opencall.aiWinter 2024

AI Workforce for Services Businesses

OpenIntWinter 2023

Open Source Embedded Product Integrations

Ora AISummer 2023

Med school can be simpler

OutsetSummer 2023

AI-powered user interviews

OverwatchSummer 2022

Enterprise software for strategic, risk, and cyber fraud intelligence

PacesSummer 2022

Siting and Due Diligence of Green Projects

Pair AIWinter 2023

Reimagining education with short form video and AI

PanaSummer 2022

A Global Bank on Chain

Pando BioscienceWinter 2023

Gen-AI Designed Enzymes for Pharmaceutical Innovation

Paragon AISummer 2022

Turns your sales calls into CRM data, automatically.

PenciledWinter 2024

AI front office assistant for physical therapy

Persist AIWinter 2023

Developing long-lasting drug formulations 50% faster

PhindSummer 2022

AI search engine

PierWinter 2023

Stripe for Credit - Trusted Credit Compliance Partner

PigeonWinter 2023

Document collection made fast, easy, and secure

PirrosWinter 2023

Github for Construction

PlayAblySummer 2019

We build games to help brands engage, convert, and retain customers

PlaygroundSummer 2019

Make graphics like a Pro without being one

Pledge HealthWinter 2023

AI RCM assistant that handles any insurance task on payer portals for…

PloomberWinter 2022

Heroku for AI

PluralithSummer 2022

Automated infrastructure compliance and documentation

PlutisWinter 2023

B2B