YC 155 startups

YC Winter 2019

Every company from Y Combinator's Winter 2019 batch.

Last updated

2026-09-02

The issue tracker built for high-performance teams.

SaaSDev ToolsProject Management

API-first stock and crypto brokerage platform

Developer ToolsFintechAPI

All-in-one recruiting platform that empowers hiring excellence in…

Human ResourcesB2BRecruiting

Reshaping industrial quality with AI, hardware, and software

Deep LearningIoTComputer Vision

Multimodal AI Platform for Modality Agnostic Drug Discovery™

AI-powered Drug Discovery

Accept.inc (formerly BoardRE)

BoardRE is a new type of mortgage company that upgrades any offer…

FintechReal Estate

Upskilling bootcamp for India

EducationRecruiting

AI Insurance is the platform that runs insurance companies

Artificial IntelligenceInsurance

AllSome Fulfillment

Fulfillment platform to build Southeast Asia e-commerce operations

Warehouse Management TechB2BAI

A.I. to create stunning fashion images for eCommerce.

Generative AIComputer VisionE-commerce

We make EV charging as simple and reliable as LED lights

ClimateElectric Vehicles

EOR for the staffing industry

SaaSB2BCompliance

Frictionless Data

Artificial Intelligence

Modern spend management & concierge.

We produce cancer-curing materials used in nuclear medicine.

Hard TechSmall Modular ReactorsMedical Devices

In-store analytics AI assistant to fix your retail stores

SaaSIoTComputer Vision

Autodial prev Qwest

Skip Busy Phone Lines

Artificial IntelligenceMachine LearningTelecommunications

Fixing data quality in product analytics.

Developer ToolsB2B

AXDRAFT helps corporations draft, negotiate and approve documents 10x…

Machine LearningSaaSLegalTech

AI agent that saves you money on travel

Acquired by FuboTV (NYSE: FUBO) - Contest automation software…

Sports TechGaming

Online and phone ordering for restaurant takeout and delivery

MarketplaceDeliveryFood & Beverage

Last-mile delivery for perishables.

MarketplaceLogisticsFood Tech

Building the first sensor enabled marketplace for repeat purchases

Brain Longevity

NeurotechnologyHealth TechDigital Health

Bunkerhill Health

Bunkerhill is the agentic AI platform for health systems

Buy Me a Coffee

Helping creators monetize

FintechMarketplace

Canopy (was Encarte)

Encarte is building 1-click checkout for all online stores.

PaymentsE-Commerce

The autonomous tax firm

Benefits for independent workers.

FintechConsumerHealth Insurance

We Create Superior Data By Making Annotation Competitive

Artificial IntelligenceData ScienceCrowdsourcing

Cityfurnish - Commitment-free furniture rentals for a better you!

Bring your most important groups closer together

Team CollaborationCollaboration

Community Phone Company

The phone that gives families peace of mind about aging parents

Artificial IntelligenceSaaSB2B

Software for the commercial services industry.

SaaSProptechEnterprise

Convictional replaces Slack to keep teams mission aligned by design.

B2BTeam CollaborationCollaboration

Cosmic is an AI-powered headless CMS

Developer ToolsAPI

Higher Ed's Best Friend - integrated academic operations software.

CredPal is a buy now pay later company in Africa that allows…

FintechPayments

Building the operating system for developing world merchants

FintechE-commerce

Develop your CI/CD pipelines as code and run them anywhere

Developer ToolsDevSecOps

The all-in-one HR and payroll platform for global teams

AI-powered sales coaching

Docbot — Healthcare

On demand ephemeral environments to run manual and automated tests.

Acquired by Alarm.com - We make existing apartment access smart.

Smart Home AssistantsIoT

Secure secrets. Prevent breaches. Keep teams moving.

Developer ToolsDevSecOpsSecurity

Dyneti Technologies

Reduce payment fraud

PaymentsSecurity

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Stablecoin API for global payments

Developer ToolsFintechCrypto / Web3

The first finance-compliant proactive AI that runs 24/7

AI Native Commercial Insurance Broker

Artificial IntelligenceInsuranceOperations

AI-native clearinghouse for insurance

Artificial IntelligenceDeveloper ToolsFintech

YC W19 startupsAll cohort members Startups in San Francisco2567 indexed Dev Tools startupsFull category listing "SaaS" startups1005 indexed