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.

FirecrawlSummer 2022

The web data API for AI

FlexDeskWinter 2023

One platform for corporate occupiers to manage their office portfolios

FloworksWinter 2023

Hire the best AI Sales employees | AI SDR | AI RevOps | AI EA

ForfeitWinter 2023

An app that takes your money if you don't complete your habits.

Forge AutomationWinter 2025

Software Enabled CNC Parts Supplier

FormalSummer 2020

Take control of your data in real-time.

FrigadeWinter 2023

AI-powered product assistance for modern software teams

GetchoFall 2024

The reliability platform for last-mile delivery

GetCruxWinter 2024

AI Creative Strategist

GluetrailWinter 2023

Create step by step articles with screenshots and videos 10x faster

goodfinWinter 2022

Building the next generation of wealth

GovEagleWinter 2023

First draft of a government RFP response in 60 min

Guardian BioSummer 2022

Dendritic cell-based platform for cancer therapy

Gullak MoneySummer 2022

Gullak automates savings & invests these in gold

HappyRobotSummer 2023

AI Communication. Built for Logistics.

HavenWinter 2023

AI workforce for property management

HealiaWinter 2024

Modern health insurance for dual income families

HedgehogSummer 2022

Building robotic mushroom farms

HockeyStackSummer 2023

The operating system for inbound B2B revenue

HolacasaWinter 2023

End-to-end mortgage solution in LatAm

HomeflowWinter 2023

Simplifying insurance for large real estate investors

HoneydewWinter 2023

The home for shared data logic

HyLightSummer 2023

Small unmanned hydrogen airships for long range monitoring

IliadWinter 2023

Create stylized art, textures, and 3D assets with AI.

InfiniaWinter 2023

Move money programmatically

InfisicalWinter 2023

Unified platform for secrets, certs, and privileged access management

InstalabWinter 2022

Proactive Testing and Treatments

InstantSummer 2022

The Modern Firebase

IntunedSummer 2022

Reliably integrate with websites that don’t have official APIs

InVision Medical TechnologySummer 2022

AI Diagnosis of Heart Disease

InvitrisWinter 2023

Creating new protein-based drugs at scale

iolloSummer 2022

Building Quinn, an AI scientist accelerating pharma/biotech R&D

IvyCheckSummer 2022

Clean and enrich your data 10x faster

Jasmine EnergySummer 2022

Claim solar incentives with AI

JuiceboxSummer 2022

AI-powered talent sourcing for recruiters

JuliusSummer 2022

AI Data Scientist

Keeling LabsWinter 2023

We develop ML that optimizes how batteries in the grid store energy

KemNetSummer 2022

KemNet supplies reformulated drugs for specific groups of patients.

KeylikaSummer 2022

Redefining the Standard of Care for Iron Deficiency Anemia

Kino AISummer 2023

Kino automatically organizes footage to make video editing faster.

KnowtexSummer 2022

Making doctors 2x more efficient with AI note-taking & charge capture

Koala OpsWinter 2023

A platform for developing microservices on Kubernetes

KomboSummer 2022

Unified API for HR, payroll and recruiting software

KoyweWinter 2023

Crypto On and Off Ramp for Latam

KyberWinter 2023

Instantly draft, review, and send complex regulatory notices.

Lamar HealthWinter 2021

Scaling Intelligence for Healthcare Automations

LaminSummer 2022

Open data platform for biology

LanceDBWinter 2022

Open-source, serverless vectordb for production-scale generative AI

LanceySummer 2022

Multiplayer agents for your engineering team

LandeedSummer 2022

Landeed is India's fastest property title search engine

LangfuseWinter 2023

Open source LLM engineering platform

LatentWinter 2023

Medical language models to automate healthcare operations

Latent SpaceSummer 2022

Applied AI for The Emerging Economies

Lavo Life SciencesWinter 2023

AI for drug formulation

LayupWinter 2023

Guide your users. Right in your product.

LazyEditorWinter 2023

AI Agentic Video Editor

LeversSummer 2022

Automating collection and boosting cashflow for B2B companies

LifestyleRxSummer 2023

Virtual Care for Type 2 Diabetes Reversal

LightmeterWinter 2022

Managed Sales Email Delivery For Cold Outreach

LinumWinter 2023

type text, dream video