Y Combinator Winter 2021

The AI-native FP&A platform that helps Finance teams drive business…

Calendar that kills time fragmentation

Shopify for Beauty and Wellness businesses in Latam

We make satellites to image everywhere on Earth, every 15 minutes

Full-stack VLEO satellite missions

Automated investing for the next generation 💸

Kid-friendly, at-home volunteer projects in a box, delivered bimonthly

Frontend Platform for eCommerce

Software for procurement departments to find suppliers 10x faster

The next generation care enablement platform

AI workers for the logistics industry.

Recover from any outage in 10 minutes or less.

Software orchestrated mass production of plastics

Enabling consumers split the cost of purchases without a credit card

Providing clean, safe, virus free air for homes, buildings and cars

Neurostimulation implant to restore hearing & speech understanding

Stripe for online identity verification

Authorization Infrastructure securing AI at OpenAI, Zoom, & more

Observability platform for operations teams

We teach Filipinos to become remote software engineers globally.

Aviron transforms workouts with game-based exercise machines, making…

AI-Native Restaurant POS

Reinventing lifelong learning for the future of work.

No-code Browser RPA

Scheduling and workforce management SaaS for home healthcare providers

Improving Developer Experience with Streamlined Code Reviews

India’s first and only marriage super app

Building the operating system for diagnosis.

Affordable insurance for the next billion Indians

Cloud AI microscopy automation

Same-day delivery for e-commerce companies in Europe.

Investing app that teaches you how to invest

Analytics, built for the trades.

Largest B2B eCommerce platform for SMBs in Latin America.

We use robots to build houses.

All-in-one HR management platform for SMEs

At-home oral health testing, coaching & care

The multicurrency account and card for Brazilians

Building Chime for India

Automated user acquisition & selling on WhatsApp for businesses

Admin automation for healthcare

The super app for pets

A Nouns DAO governance client

The highest-accuracy global weather data from low-cost flat satellites

Ramp for Indian Businesses - UPI Wallets for Employee Expenses

Provides live, virtual running classes to runners all around the world

The modern, open source, self-hosted AI customer support platform

Mobile ordering & payments for Brick & Mortars

Mobile app and coaching program that helps employees sleep better

Figma for 3D design

The unbiased AI and data layer for skin health.

Amazon-like logistics for e-commerce companies in Latam

Turn regular mobile photos into professional product visuals

AI-powered customer service for startups

AI-Powered Code Review

Effective and accessible online live education.

Leading online after-school for kids & teens to learn AI & coding

Cut your writing time by 40% with AI-powered autocomplete

Purchasing Software | Procure-to-Pay SaaS

Using infection data to keep organizations safe

Communication and publishing tools for scientists

Cyble - World’s First Intelligence-Driven, AI-Native Security…

Bring Justice to Light

Software for medical laboratories and clinics

Embed NL-to-SQL into your Product 📈

Generative AI Healthcare Coding Automation

Data-driven embedded Financial Services for Gig Workers

DoF provides a high quality, affordable higher education alternative.

Challenger Bank for consumers in French speaking Africa.

DreamWorld is a next-gen Minecraft with generative AI building

Make infinite $$$ off of clothes in your closet without selling them

Real-time audio & video SDKs, ready to launch 🚀

Longevity Nutrition Service

Supercharge your mobile apps

Digital Sales Rooms (Acquired by MindTickle)

The data layer for physical AI

Energy Orchestration Platform

Creating a New Class of Drugs to Address Incurable Autoimmune Diseases

Turning HR data into actionable insights

The Logistics Operating System for E-commerce in LatAm

Procure the right software 5x faster

The command center for product teams

Driverless electric vehicles at a fraction of the cost of a car.

The most flexible AI meeting notetaker ever built.

AI-powered Compliance Platform for PCI 4, CCPA, HIPAA, CIPA, 50+ laws

Continuous Documentation To End Documentation Rot

Plaid for Southeast Asia

Discord for investing.

The new wealth manager for Europe

Streamline your debt capital raise and management

Account-to-Account payments in Mexico and Chile.

The all-in-one startup operating system

AI Assistant for Customer Support

The one-stop shop for healthy products

Tech-enabled fulfillment provider in the Middle East & Africa

End to end company retreat planning

No-code workflow tool

Application Development Platform (Native Mobile + Web Apps)

Cross border Payments infrastructure for internet businesses and…

Physical AI for Warehouses and Factories

Discover drugs that control how much cells "squeeze" to treat disease

A better way to write.

Helping food brands and retailers reduce food wastage

The place where motivated investors and entrepreneurs co-own together.

AI Social Media Manager

A skill-tech platform that runs placement bootcamps

Digital e-prescribing software for veterinarians.

all-in-one operating system (OS) for telcos

Buy Now Pay Later + Cash Advance for Household Essentials

The OS for Embedded Telecom

Video publishing and monetization platform for creators and artists

GimBooks makes Bookkeeping Easy for small business owners

How great teams ship with AI

The payments solution for small scale construction.

Wholesale marketplace for independent retailers buy & manage inventory

Integrated, high touch healthcare — at scale

GreaseBoss verifes industrial machinery is greased correctly

User research on autopilot.

The Operating System for Maritime

Protecting the grid today, preparing the grid for tomorrow

App for independent agents to sell financial products in India

The lightest electric aircraft motors in the world.

Stocks and cryptos trading app with zero commissions and no minimums…

Delivery Analytics for Software Teams

Autonomous street sweeping as a service by retro-fitting vehicles

Personalized rent-to-own real estate financing using technology in SEA

The fastest and easiest way to make home upgrades

Code review for DevOps tasks

All-in-one real estate marketplace for Latin America

We help US tech companies hire and manage software engineers in LATAM

Global Card Issuing and Payment Processing Engine

Turbocharge customer acquisition through exclusive SaaS partnerships

The Most-Loved IT Documentation Platform

AI-Powered HRIS for high performing teams

AI that keeps complex construction projects on schedule.

Business intelligence on text

Electricity price forecasts for energy storage, ev charging, etc.

Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues

We provide a curated, evidence- based answer to any clinical question.

Create identity verification workflows the way you want

Collaborative ticketing that integrates into Teams and Slack

Source better parts by partnering directly with vetted manufacturers

India's first aggregator and provider of local business subscriptions

No code platform for sales to tell better stories and win more deals.

Juicy marbles makes thick juicy and marbled plant based steaks.

June is the new way to do product analytics

Affirm for general contractors

Online school for K12 education in Africa

Desktop DNA Printer. The Nespresso Machine for DNA.

A faster and more collaborative alternative to Jira for remote teams

Create & sell online courses

Corporate card & spend management platform for Indian startups

Instant loans for trucking companies in India

Rocket Mortgage for LatAm.

Live stream shopping for beauty products

Take Care of Shitty Paperwork for Expensive Drugs

Open source mobile marketing platform. Alternative to appcues /…

Maker of consumer crypto apps: Launchcaster, Frameboard, Maindrop

Embedded lending infrastructure for software companies

Realistic virtual video studio to record and stream from your browser

Clinical skincare tested on diverse skin, now available in Sephora.

The Unified AI-ERP & FP&A Platform

Visual, collaborative financial modeling software

World's fastest and most optimal route optimization engine

It's not used, it's Lovd.

Operating System for server-side apps

Building New Anti-Aging Ingredients for Skincare

Marketplace for construction machines

The notification inbox for web/mobile applications.

Connecting top Middle East talent to global tech jobs

Alibaba for Latin America

A growth automation platform for Amazon sellers

Telemedicine platform for chronic conditions like obesity

Software for pharmacies to move beyond dispensing

We help run engaging online conferences.

Workflows to empower employees to spend while finance stay in control

The one-stop-shop for auto-parts in Mexico.

Autonomous restaurants that make great, affordable meals.

Create video testimonials with a link

AI Document Understanding API

Thought-to-Language AI Models

ModernLoop helps teams automate and streamline recruiting operations

AI Powered Animal Diagnostics

Plaid for Africa, but better.

Buy and grow profitable e-commerce companies selling on Amazon and DTC

Building the next generation AI creative studio

We underwrite and insure house rentals in Latam

Mobile Energy Storage Technology

Dermatology telehealth app for LatAm

Low latency API to run and deploy ML models

Rewards card for gamers

Payroll app to pay workers daily for retailers & manufacturers in SEA

Interactive product demos

The first online home garden and lawn marketplace

The digital bank for small businesses in the Philippines.

Nimbus reduces Datadog costs by more than 60% without Manual Effort

The lifestyle medicine layer for clinicians.

Risk decisioning platform

International contractor and multi country payroll

Telehealth dietitians covered by insurance

Radically reducing capital costs and build time for direct air capture

Cell-specific genetic medicines

Catch accidental database exposures before the bad guys

Buy Now Pay Later for Southeast Asia

Restaurant Solution (E-commerce via WhatsApp + POS + CRM/Marketing)

Get up and running with large language models.

Simplifying hiring and payments for the global workforce

The open source AI coding agent

Tasty and scalable cultivated meat at price parity

DIY renovations in a box. Materials, tools, and instructions delivered

AI that expands any video to fit any screen.

Pay, Get Paid and Extend Cash Flow using your Credit Card as…

Hire Fractional Marketing + Design Talent

AI to track and analyze public policy

Partnered is a digital platform automating business development…

New-Age White Label Community Platform SDKs and APIs for Games,…

Employer backed payroll advances for employees in Egypt

The AI operating system for restaurants

Canada's digital health clinic for men

The fastest path from submission to better decisions.

Video messaging app for remote teams.

PipeBio is a SaaS bioinformatics platform to develop antibody drugs.

The Distributed Data Operating System

Community for fantasy sports players

The online language school for Latam, with groups led by an instructor

Your AI GTM platform for In-Person Events

PowerRouter helps sales teams with lead routing in Salesforce

AI-powered Corporate Training: Faster, Smarter, and More Effective

Shopify for LatAm

Live afterschool classes for Spanish-speaking kids ages 4 to 15.

Helping B2B co's sync data to their customers

Self-service RFP management

Dramatically better search and ads for marketplaces

Banking for businesses

Finance for Founders (now at prune.com)

Accelerating the shift to a more transparent economy

Open source continuous profiling software to debug performance issues

Breaking new ground in online eyecare.

Analyzing EHR and messaging data to predict disease before it occurs.

Leading marketplace for formalwear

Tools & infra to build and scale high-quality blockchain applications.

Equity management platform for startups and investors.

Embedded lending infrastructure

Education, Employment, Loyalty verification. Global & Compliant.

Government-funded online addiction treatment

Redcliffe Labs is India's Largest Omni-channel Diagnostics platform

All-electric seagliders for fast, affordable regional transportation

AI-powered healthcare information

Carbon capture for vehicles

Robots that automate the everyday tasks of microbiologists.

Marketing automation platform for selling to local businesses.

LinkedIn content consultancy and scheduling platform for busy founders

Software to run car washes moving to a monthly subscription model

AI Native Sales Outreach Platform

The Best Way to Sign Contracts Since Handshakes. Roger that.

Building robots to automate commercial concrete construction.

AI-native all-in-one workspace for startups

Add powerful decision-making capabilities to any automated workflow.

Easier and more reliable mobile app releases for teams.

Synthetic data for better vision.

Sell beyond the store.

Build better computer vision models by building better datasets

Fulfillment by Amazon for African merchants

Genetic Medicine with Small Molecules

Modernizing commercial insurance

Open source alternative to DataDog

Helping a billion people build their dream career

Debt as a service for companies to lend money to their users at scale.

The solution for fine-grained access control in web3

Chrome extension to turn clicks & keystrokes into no-code automations

We help people resolve debt.

Internet for the urban developing world.

AI tax workflow platform for accounting firms

Design and collaborate in multiple dimensions.

AI-powered video platform for Internal Comms and HR teams

SpruceID lets users control their data across the web.

Automated Answers to Security Questionnaires

Operating System for Hotels and Vacation Rentals

Seamless mobility to, through, and from space. It starts with 100%…

Compliant Crypto and Banking Infrastructure

AI workers for logistics operations

Enterprise ready webhooks service, open-source and in the cloud

Healthy organic food that creates a positive impact

Management and analytics software for convenience stores

Better, faster tech vendor research

The financial layer for decentralized AI

Online marketplace for dinners shipped from great restaurants

MIS on mobile for SMB's in India

Online therapy platform for the Spanish-speaking market

API for developers and AIs to access health data

Slash commands anywhere

Subscriptions for neighborhood businesses

Bringing the joy of cycling to millions of Indians

Makes it easy for tech platforms to embed insurance into products

Generative AI powered Shopify for home service professionals

Physical AI for asset-heavy industries

Software and AI tools for SMBs in the US and Latin America

Your one-stop shop to eat well in Brazil

Discover trends as they happen

Bioengineered kidneys for patients with kidney failure

AI Agents for Oncology EHRs

The best database for app developers

Marketplace for small business M&A

AI-driven online tech school for busy professionals

We're Khatabook / OkCredit for Pakistan

No-code platform for enterprise software companies

A virtual food hall that delivers

Learn, Intern and become Industry-Ready

AI-led market research interviews, no scheduling, instant insights.

Connecting low-income HS students with free, 24/7 online tutoring

Discovering bispecific antibody drug-conjugates (BsADC) against cancer

Voice AI for developers.

We treat women with Polycystic Ovary Syndrome in India

Where restaurants in Africa buy food supplies

Meet qualified leads in person by automating conference production

Better Business Insurance for MSMEs in India

Deterministic redlining at scale — now within Claude

Making Restaurants more data-driven!

Configuration language for building enterprise web apps 10x faster

Engineering intelligence for AI transformation

The email API built for product teams

Open-source framework for building serverless applications

AI recruiter that runs outbound sourcing campaigns to find top talent

WeWeb is a no-code front-end builder that connects with any back-end.

Manage your hybrid workplace

Life's better without allergies

YourQuote is India's largest writing platform

Digital bank for teenagers in LatAm connected to prepaid card

Software for remote monitoring of cancer patients

10-Minute Grocery Delivery in India

A digital wallet for the Middle East & North Africa

Platform for bus travel across Indian cities

Better Business on WhatsApp