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.

KashikoiSpring 2025

Simulation Engine for Benchmarking AI Products

KernelSummer 2025

Crazy Fast Browsers-as-a-Service

KestralSpring 2025

We automate your entire product development lifecycle.

KeystoneSummer 2025

Your team's on-call AI engineer

Kirana AISpring 2025

AI manager for physical stores

Klavis AISpring 2025

Open Source MCP Integrations for AI Applications

KnowlifySummer 2025

Convert textual content into explainer videos in < 15s

LabricSpring 2025

The data layer for scientific research

LanesurfSummer 2025

Voice AI for booking freight

LapelSpring 2025

Scale personalized service to every customer.

LarkSummer 2025

AI Native Billing Platform

LilacSummer 2025

Spot GPUs that use idle GPUs from enterprises

LineWiseSpring 2025

AI Agent to troubleshoot manufacturing issues

Liva AISummer 2025

Scale AI for video and voice data.

LocataSummer 2025

AI Referral Automation for Primary Care Clinics

LotasSummer 2025

Cursor for Data Science — secure, AI-native IDE for data scientists

Louiza LabsSummer 2025

Simulated human biology and synthetic medical datasets.

Lua Global IncFall 2025

Self-Serve AI powered Sales, Support & Booking Agents

Lucidic AIWinter 2025

Weights & Biases for AI Agents

LucisSpring 2025

Function Health for Europe

LumariSpring 2025

Your AI Teammates

LuminalSummer 2025

Making AI run fast on any hardware.

MacadamiaWinter 2025

AI Agents for Complex Engineering Projects

maintouchSummer 2023

Full-stack organic marketing for B2B.

MaiveWinter 2025

Visual AI for factories

MangoDeskSummer 2025

Simple platform to create data for AI

mcp-useSummer 2025

Open-source dev tools and infrastructure for MCP.

MesmerSpring 2025

Cursor for CTOs

MeteorSummer 2025

An AI-Native Browser

MetisSummer 2025

Infrastructure to build reliable agents

MimosSummer 2025

Helping companies rank in AI search

MindFortSpring 2025

Autonomous Security Agents

MinervaSpring 2025

AI to Replace SMB Bookkeepers

MisprintWinter 2025

Misprint is building Robinhood for Pokemon cards

Miyagi LabsWinter 2025

Shopify for AI-generated courses

mlopSpring 2025

Experiment tracking for training ML models

ModelenceSummer 2025

All-in-one TypeScript cloud for production AI apps

MohiSummer 2025

Analyze and understand complex agent workflows with clarity.

MonarchaSummer 2025

An expert for your spatial data

MorphSummer 2023

The Fastest Way to Apply AI Edits

MorphikSpring 2025

Open-source multimodal search for AI apps

MunifySummer 2025

The Cross-Border Neobank for the Middle East

neoncoralSpring 2025

🪸 AI consumer social

Nexa LabsSummer 2025

Implantable microchips and AI for cattle monitoring

NextByteWinter 2025

AI recruiter tuned to identify the best vibe coders

Nimbic AISpring 2025

Automatically write and update internal docs with every code commit.

NixoSummer 2025

The first ops platform for forward deployed engineers

NomiSpring 2025

Cursor for Sales

NormalSummer 2025

Modern compliance for drones, robots, IoT, and beyond

NOSO LABSSummer 2025

Build AI agents for field technicians to diagnose and sell 10x better

NottelabsSummer 2025

Reliable Web Agents for Enterprise

Notus Autonomous SystemsSpring 2025

Swarm robotics and full AI-command hierarchy integration

NovaflowSummer 2025

The AI data analyst for biology labs

NovoflowSpring 2025

AI employees that automate medical operations for clinics.

Nox MetalsSummer 2025

The modern factory for fast, low-cost metals.

NozomioSummer 2025

Context augmentation for agents

NuntiusSummer 2025

Making Models Follow Rules.

OdaptSpring 2025

How great teams build internal software & agent workflows

OkiWinter 2025

Personalized Updates on Company Progress

OkibiSummer 2025

Build AI coworkers using natural language, it's Lovable for agents