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.

LyraSpring 2025

AI-Native Zoom For Revenue Teams

LytixWinter 2024

DataDog for LLMs, turnkey solution for n=1 custom evaluations

MagiCodeSummer 2024

A Reliable AI Frontend Engineer

MagneticSummer 2025

AI Tax Preparer for CPA firms

MaitaiSummer 2024

Reliable, self-improving enterprise AI

ManaflowSummer 2024

Build internal tools for AI using natural language

Manifold FreightWinter 2024

Aggregating Spot Freight Opportunities for Carriers

MarblismWinter 2024

AI Employees who love overtime

Maritime FusionWinter 2025

Fusion reactors for ships

MastraWinter 2025

The Javascript framework for building AI agents, from the Gatsby devs

MathDashWinter 2024

Learning Platform for Math Competitions

Mbodi AISpring 2025

Embodied AI Platform for Industrial Robotics

Mecha HealthWinter 2025

Foundation models to automate x-ray analysis for radiologists

MelderFall 2024

AI formulas and document support for Microsoft Excel

MentraWinter 2025

Building the open source smart glasses operating system.

MercuraWinter 2025

AI Quote and Order Automation for Distributors & Manufacturers

Merlin AISummer 2024

AI powered ERP for Construction

MeshWinter 2025

Building your AI finance co-worker

MetreecsFall 2024

AI-powered demand forecasting for retail

MidshipSummer 2024

AI for SOX Testing

MineflowSummer 2024

Mineflow predicts the shape and location of mineral deposits

Minimal AISummer 2025

AI Customer Support Teams for E-commerce

MinusXSummer 2024

AI Data Scientist for Jupyter and Metabase

MiruSummer 2024

Config Management for Robotics

Modern RealtySummer 2024

The AI Native Real Estate Brokerage.

ModusSummer 2024

Unlock revenue per employee with AI-powered headcount management

Moonset HealthFall 2024

AI for Post-Acute Senior Care (Hospice, Home Health, Skilled Nursing…

MoonshineFall 2024

Building software to understanding the world with a camera

MoretaSummer 2024

Payments made easy for international travelers.

MorphoAISpring 2025

Software tool for designing robots and machines

MosaicWinter 2025

Create and run your own video editing AI agents

Mundo AIWinter 2025

High Quality Multilingual Training Data for AI Models

nao LabsSpring 2025

Cursor for data teams.

NautilusSummer 2025

AI platform to grow and to optimize car washes

NerveSummer 2024

Healthcare integrations for developers

NitrodeWinter 2025

AI game development engine & platform

NowHouseWinter 2024

NowHouse helps stock brokerages settle trades instantly.

Octolane AIWinter 2024

Building AI-first Salesforce

Ocular AIWinter 2024

AI-Native Data Engine for LLMs, Computer Vision, & Enterprise AI

OddsViewWinter 2024

The Bloomberg Terminal of Sports Betting

OliveWinter 2025

Build internal tools with a prompt.

Oma CareWinter 2024

Get paid for taking care of your parents.

omnidockSummer 2024

OS for global e-commerce expansion of brands & manufacturers

OneGrepWinter 2024

AI Agent for DevOps Workflow Automation

OnlookWinter 2025

Cursor for Designers

OpenWinter 2024

Enterprise AI customer support

OpenFoundryWinter 2024

The fastest developer experience for building on open source AI.

OpenFunnelFall 2024

Agents to help find in-market companies via deep researched signals

OperandWinter 2025

AI to Replace Management Consulting

OpslaneSummer 2024

Build Scalable Data Pipelines in minutes not months

Optifye.aiWinter 2025

AI performance monitoring for factory workers

Opusense AISpring 2025

AI for Field Inspection Reports

Orbital OperationsWinter 2025

High Thrust Space Vehicles for Satellite Defense

OrcaSummer 2024

Jet engine for game development

OrchidsWinter 2025

AI Website Builder

OrgOrgSummer 2024

Organizational productivity suite for companies

OrigamiFall 2024

Research Agents to accelerate your outbound sales pipeline

OsmosisWinter 2025

Online Reinforcement Learning for AI Agents

OuterportSummer 2024

Turn diagrams, technical documents, and CAD into structured data

OutlitWinter 2025

AI Quoting and Proposals