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.

Legora (formerly Leya)Winter 2024

The AI workspace for lawyers

Letter AISummer 2023

Empowering B2B sellers with AI-powered training, coaching, and content

LightboxWinter 2025

Cursor for Content Creation

Lighthouz AISummer 2024

AI Agents for AP and AR in Logistics

LightskiWinter 2023

Cursor for Technical Design Docs and PRDs

Linc.Summer 2023

AI Copilot for Shippers, Carriers and Brokers

LinkGrepWinter 2023

AI browser copilot for teams

LiteLLMWinter 2023

Call every LLM API like it's OpenAI [100+ LLMs]

Logital AI (Teclada)Winter 2023

Compare models and ouputs without random noise skewing your results.

LumonaWinter 2024

AI-enabled search engine featuring insights from social media.

LystoSummer 2023

Revenue intelligence platforms for startups

Magic HourWinter 2024

Platform for AI video generation.

Magic LoopsSummer 2023

Program computers with natural language

Magic PatternsWinter 2023

Prototype your product ideas with AI.

MagnaPlayWinter 2023

AI-powered game translation.

MaiaWinter 2024

AI relationship app that keeps couples together

MaihemWinter 2024

Adaptable AI robots for your complex and dynamic workflows

malibouWinter 2024

the first all-in-one payroll and HR software for French SMBs

Mandel AISummer 2023

AI Procurement Agent for Manufacturing

Mango HealthWinter 2024

AI Therapy for OCD

Marr LabsWinter 2024

AI-voice agents that are indistinguishable from humans.

MartinSummer 2023

AI Personal Assistant like Jarvis

MathosWinter 2024

Ultimate AI Math Problem Solver to Revolutionize Personalized Learning

Maven BioSummer 2023

The AI Platform for BioPharma Knowledge Work

mdhubSummer 2024

AI agents for mental health clinics

MediSearchSummer 2023

Search engine for trustworthy medical information.

Mem0Summer 2024

The Memory layer for your AI apps

MenzaSummer 2023

The 24/7 Data Analyst for Consumer Brands

MetalWinter 2023

AI Accelerated Deal Flow and Portfolio Intelligence

MetalWinter 2023

Metal allows founders to be more targeted & intentional in fundraising

MetalwareSummer 2023

Cybersecurity for firmware

MeticulateWinter 2024

Powerful prospecting engine for revenue leaders

MetoroSummer 2023

Instant in-depth observability for services running in kubernetes

Mica AISummer 2024

Build Enterprise-Quality AI Agents in English

MidenWinter 2024

Card issuer processor and banking stack for businesses in Sub-…

MindedSummer 2023

Cursor for AI Agents

Mito HealthSummer 2024

Bloodwork and personalized insights to help you live longer

MochaSummer 2023

Build and publish web apps in minutes. No coding required.

Model MLWinter 2024

AI Workspace for Financial Services.

MomenticWinter 2024

The AI-native automated testing platform

MoonvalleyWinter 2021

Building the next generation AI creative studio

NanograbSummer 2023

AI-generated binders for targeted drug delivery

NarrativeWinter 2023

AI-powered QA testing platform

Navier AIWinter 2024

Real-Time CFD Simulations

nCompass TechnologiesWinter 2024

Deploy hardware accelerated AI models with only one line of code

NeosyncSummer 2022

Neosync is an open-source anonymization and synthetic data platform.

NetworkOceanSummer 2024

We build and operate underwater data centers.

NewtonWinter 2024

AI-powered phone platform for dentists

No CapWinter 2023

AI startup investor, No Cap

NowadaysSummer 2023

AI co-pilot for corporate event planning

Noya SoftwareWinter 2023

Product design tool that lets everyone design like a designer

NuancedWinter 2024

Nuanced makes AI coding tools smarter with static analysis.

Obento HealthSummer 2023

CRM Co-Pilot for Medtech Sales

Odigos Technologies Inc.Winter 2023

Enterprise-Grade OpenTelemetry

OdoSummer 2024

Help companies find and win government contracts with AI

OffDealWinter 2024

AI-native investment bank for small businesses

OffstreamSummer 2024

Vanta for carbon compliance

OhmWinter 2023

AI agents for battery teams

Olio LabsSummer 2023

Combination therapeutics for the world's toughest diseases

OmniAIWinter 2024

Automate document workflows