YC Companies/Winter 2021

YC Winter 2021 Data Room

336 companies·Last synced Mar 26, 2026
336 of 336

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

B2B

Calendar that kills time fragmentation

B2B

Shopify for Beauty and Wellness businesses in Latam

B2B

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

Industrials

Full-stack VLEO satellite missions

Industrials

Automated investing for the next generation 💸

Fintech

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

Consumer

Frontend Platform for eCommerce

B2B

Software for procurement departments to find suppliers 10x faster

B2B

The next generation care enablement platform

Healthcare

AI workers for the logistics industry.

B2B

Recover from any outage in 10 minutes or less.

B2B

The world's first AI powered tool and die maker

Industrials

Enabling consumers split the cost of purchases without a credit card

Fintech

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

Industrials

Neurostimulation implant to restore hearing & speech understanding

Healthcare

Stripe for online identity verification

B2B

Cloud Infrastructure for Authorization

B2B

Observability platform for operations teams

B2B

We teach Filipinos to become remote software engineers globally.

Education

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

Consumer

Restaurant POS with built-in AI agent

B2B

Reinventing lifelong learning for the future of work.

Education

Multi-agent orchestration platform

B2B

No-code Browser RPA

B2B

Scheduling and workforce management SaaS for home healthcare providers

Healthcare

Improving Developer Experience with Streamlined Code Reviews

B2B

India’s first and only marriage super app

Consumer

Building the operating system for diagnosis.

Healthcare

Affordable insurance for the next billion Indians

Fintech

Cloud AI microscopy automation

Healthcare

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

Industrials

Investing app that teaches you how to invest

Fintech

Analytics, built for the trades.

B2B

Largest B2B eCommerce platform for SMBs in Latin America.

B2B

We use robots to build houses.

Industrials

All-in-one HR management platform for SMEs

B2B

At-home oral health testing, coaching & care

Healthcare

The multicurrency account and card for Brazilians

Fintech

Building Chime for India

Fintech

Automated user acquisition & selling on WhatsApp for businesses

B2B

Admin automation for healthcare

Healthcare

The super app for pets

Consumer
Camp

A Nouns DAO governance client

Consumer

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

Industrials

Ramp for Indian Businesses - UPI Wallets for Employee Expenses

B2B

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

Consumer

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

B2B

Mobile ordering & payments for Brick & Mortars

Fintech

Mobile app and coaching program that helps employees sleep better

B2B
Clay

Figma for 3D design

B2B

The social commerce app for skincare.

Consumer

Amazon-like logistics for e-commerce companies in Latam

B2B

Turn regular mobile photos into professional product visuals

Consumer

AI-powered customer service for startups

B2B

AI-Powered Code Review

B2B

Effective and accessible online live education.

Education

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

Education

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

B2B

Purchasing Software | Procure-to-Pay SaaS

B2B

Using infection data to keep organizations safe

Healthcare

Communication and publishing tools for scientists

Healthcare

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

B2B

Bring Justice to Light

B2B

Software for medical laboratories and clinics

Healthcare

Embed NL-to-SQL into your Product 📈

B2B

Generative AI Healthcare Coding Automation

Healthcare

Data-driven embedded Financial Services for Gig Workers

Fintech

DoF provides a high quality, affordable higher education alternative.

Education

Challenger Bank for consumers in French speaking Africa.

Fintech

DreamWorld is a next-gen Minecraft with generative AI building

Consumer

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

Consumer
Dyte

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

B2B

Longevity Nutrition Service

Consumer

Supercharge your mobile apps

B2B

Digital Sales Rooms (Acquired by MindTickle)

B2B

Building the data backbone for the (artificial) intelligence…

B2B

An API for electric vehicles and other energy hardware (DERs)

Industrials

Creating a New Class of Drugs to Address Incurable Autoimmune Diseases

Healthcare

Turning HR data into actionable insights

B2B

The Logistics Operating System for E-commerce in LatAm

B2B

Procure the right software 5x faster

B2B

The command center for product teams

B2B

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

Industrials

Never take notes again with the #1 AI Meeting Assistant

B2B

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

B2B

Continuous Documentation To End Documentation Rot

B2B

Plaid for Southeast Asia

Fintech

Discord for investing.

Fintech

The new wealth manager for Europe

Fintech

Streamline your debt capital raise and management

Fintech

Account-to-Account payments in Mexico and Chile.

Fintech

The all-in-one startup operating system

B2B

AI Assistant for Customer Support

B2B

The one-stop shop for healthy products

Consumer

Tech-enabled fulfillment provider in the Middle East & Africa

B2B
Flok

End to end company retreat planning

B2B

No-code workflow tool

B2B

Application Development Platform (Native Mobile + Web Apps)

B2B
Flux

Cross border Payments infrastructure for internet businesses and…

Fintech

General Autonomy for Controlled Spaces

Industrials

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

Healthcare

A better way to write.

Consumer

Helping food brands and retailers reduce food wastage

B2B

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

Fintech
Friz

AI Social Media Manager

Consumer

A skill-tech platform that runs placement bootcamps

Education

Digital e-prescribing software for veterinarians.

Healthcare

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

B2B

Social SDK for games

B2B

Buy Now Pay Later + Cash Advance for Household Essentials

Fintech
Gigs

Stripe for phone plans.

B2B

Video publishing and monetization platform for creators and artists

Consumer

GimBooks makes Bookkeeping Easy for small business owners

B2B

The payments solution for small scale construction.

Fintech

Wholesale marketplace for independent retailers buy & manage inventory

B2B

Integrated, high touch healthcare — at scale

Healthcare

GreaseBoss verifes industrial machinery is greased correctly

Industrials

User research on autopilot.

B2B

The Operating System for Maritime

B2B

Protecting the grid today, preparing the grid for tomorrow

Industrials

App for independent agents to sell financial products in India

Fintech

The lightest electric aircraft motors in the world.

Industrials
Hapi

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

Fintech

Delivery Analytics for Software Teams

B2B

Autonomous street sweeping as a service by retro-fitting vehicles

Industrials

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

Real Estate and Construction

The fastest and easiest way to make home upgrades

Consumer

Code review for DevOps tasks

B2B
Houm

All-in-one real estate marketplace for Latin America

Real Estate and Construction

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

B2B

Global Card Issuing and Payment Processing Engine

Fintech

Turbocharge customer acquisition through exclusive SaaS partnerships

B2B
Hudu

The Most-Loved IT Documentation Platform

B2B

AI-Powered HRIS for high performing teams

B2B

Business intelligence on text

B2B

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

Industrials

Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues

B2B

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

Healthcare

Create identity verification workflows the way you want

B2B

Collaborative ticketing that integrates into Teams and Slack

B2B
Jiga

Source better parts by partnering directly with vetted manufacturers

B2B

India's first aggregator and provider of local business subscriptions

Fintech

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

B2B

Juicy marbles makes thick juicy and marbled plant based steaks.

Consumer
June

June is the new way to do product analytics

B2B

Affirm for general contractors

Fintech

Online school for K12 education in Africa

Education

Desktop DNA Printer. The Nespresso Machine for DNA.

Healthcare

A faster and more collaborative alternative to Jira for remote teams

B2B

Create & sell online courses

Education
Kodo

Corporate card & spend management platform for Indian startups

Fintech
Krab

Instant loans for trucking companies in India

Fintech

Rocket Mortgage for LatAm.

Fintech

Live stream shopping for beauty products

Consumer

Take Care of Shitty Paperwork for Expensive Drugs

Healthcare

Open source mobile marketing platform. Alternative to appcues /…

B2B

Maker of consumer crypto apps: Launchcaster, Frameboard, Maindrop

Consumer

Embedded lending infrastructure for software companies

Fintech

Record video in a photorealistic virtual studio all from your browser

B2B

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

Consumer

The #1 platform for multi-entity finance

B2B

Visual, collaborative financial modeling software

B2B

World's fastest and most optimal route optimization engine

B2B
Lovd

It's not used, it's Lovd.

Consumer

Operating System for server-side apps

B2B
Lygg

Creating New Anti-Aging Ingredients

Consumer

Marketplace for construction machines

Real Estate and Construction

The notification inbox for web/mobile applications.

B2B

Connecting top Middle East talent to global tech jobs

B2B

Alibaba for Latin America

B2B

A growth automation platform for Amazon sellers

B2B

Telemedicine platform for chronic conditions like obesity

Healthcare

Software for pharmacies to move beyond dispensing

Healthcare

We help run engaging online conferences.

B2B

Workflows to empower employees to spend while finance stay in control

Fintech

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

B2B

Autonomous restaurants that make great, affordable meals.

Consumer

Create video testimonials with a link

B2B

AI Document Understanding API

B2B

Thought-to-Language AI Models

Consumer

ModernLoop helps teams automate and streamline recruiting operations

B2B

AI Powered Animal Diagnostics

Healthcare
Mono

Plaid for Africa, but better.

Fintech

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

Fintech

Building the next generation AI creative studio

Consumer

We underwrite and insure house rentals in Latam

Real Estate and Construction

Mobile Energy Storage Technology

Industrials

Dermatology telehealth app for LatAm

Healthcare

Low latency API to run and deploy ML models

B2B

Rewards card for gamers

Fintech

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

Fintech

Interactive product demos

B2B

The first online home garden and lawn marketplace

Consumer

The digital bank for small businesses in the Philippines.

Fintech

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

B2B

Evidence-based Traditional and Complementary Medicine brand

Healthcare

Risk decisioning platform

B2B
noHQ

International contractor and multi country payroll

B2B

Telehealth dietitians covered by insurance

Healthcare
Noya

Radically reducing capital costs and build time for direct air capture

Industrials

Cell-specific genetic medicines

Healthcare

Catch accidental database exposures before the bad guys

B2B

Buy Now Pay Later for Southeast Asia

Fintech

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

Consumer

Get up and running with large language models.

B2B

Simplifying hiring and payments for the global workforce

B2B

Tasty and scalable cultivated meat at price parity

Industrials

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

Consumer

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

Fintech

Hire Fractional Marketing + Design Talent

B2B

AI to track and analyze public policy

B2B

The network where sales teams connect to share customer introductions.

B2B

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

B2B

Employer backed payroll advances for employees in Egypt

Fintech

The AI operating system for restaurants

B2B
Fintech

Canada's digital health clinic for men

Healthcare

The fastest path from submission to better decisions.

Fintech

Video messaging app for remote teams.

B2B

PipeBio is a SaaS bioinformatics platform to develop antibody drugs.

Healthcare

The Distributed Data Operating System

B2B

Community for fantasy sports players

Consumer

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

Education
Popl

Your Complete In-Person GTM Platform

B2B

PowerRouter helps sales teams with lead routing in Salesforce

B2B

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

B2B

Shopify for LatAm

B2B

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

Education

Helping B2B co's sync data to their customers

B2B

Self-service RFP management

B2B

Dramatically better search and ads for marketplaces

B2B

Banking for businesses

Fintech

Finance for Founders

B2B

Accelerating the shift to a more transparent economy

Fintech

Open source continuous profiling software to debug performance issues

B2B

Breaking new ground in online eyecare.

Healthcare

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

Healthcare

Leading marketplace for formalwear

Consumer

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

B2B

Equity management platform for startups and investors.

B2B

#1 Science backed eating disorder recovery program.

Healthcare
R2

Embedded lending infrastructure

Fintech

User data verification across Employment, Academic Creds, Retail…

B2B

Government-funded online addiction treatment

Healthcare

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

Healthcare

All-electric seagliders for fast, affordable regional transportation

Industrials

AI-powered healthcare information

Healthcare

Carbon capture for vehicles

Industrials

Robots that automate the everyday tasks of microbiologists.

Healthcare

Marketing automation platform for selling to local businesses.

B2B

LinkedIn content & strategy for founders to get 1M monthly impressions

B2B

Software to run car washes moving to a monthly subscription model

B2B

AI Native Sales Outreach Platform

B2B

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

B2B

Building robots to automate commercial concrete construction.

Industrials

AI-native all-in-one workspace for startups

B2B

Add powerful decision-making capabilities to any automated workflow.

B2B

Easier and more reliable mobile app releases for teams.

B2B

Synthetic data for better vision.

B2B
Seer

Sell beyond the store.

B2B

Build better computer vision models by building better datasets

B2B

Fulfillment by Amazon for African merchants

B2B

Genetic Medicine with Small Molecules

Healthcare

Modernizing commercial insurance

Fintech

Open source alternative to DataDog

B2B

Helping a billion people build their dream career

Consumer
Sivo

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

Fintech

The solution for fine-grained access control in web3

B2B

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

B2B
Solo

We help people resolve debt.

Fintech

Internet for the urban developing world.

Real Estate and Construction

AI assistant for accounting firms

B2B

Design and collaborate in multiple dimensions.

B2B

AI-powered video platform for Internal Comms and HR teams

B2B

SpruceID lets users control their data across the web.

Government
SST

For whatever you build.

B2B

Automated Answers to Security Questionnaires

B2B

Operating System for Hotels and Vacation Rentals

B2B

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

Industrials

Compliant Crypto and Banking Infrastructure

Fintech

DeFi protocol for permissionless lending

Fintech

AI workers for logistics operations

B2B
Svix

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

B2B

Healthy organic food that creates a positive impact

Consumer

Management and analytics software for convenience stores

B2B

Better, faster tech vendor research

B2B

Online marketplace for dinners shipped from great restaurants

Consumer

MIS on mobile for SMB's in India

B2B

Online therapy platform for the Spanish-speaking market

Healthcare

API for developers to access health data

B2B

Slash commands anywhere

B2B

Subscriptions for neighborhood businesses

B2B
Tilt

Bringing the joy of cycling to millions of Indians

Consumer
Tint

Makes it easy for tech platforms to embed insurance into products

Fintech
B2B

Generative AI powered Shopify for home service professionals

B2B

Fine tuning heavy machinery via AI

Industrials

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

B2B

Your one-stop shop to eat well in Brazil

Consumer

Discover trends as they happen

B2B

Bioengineered kidneys for patients with kidney failure

Healthcare

Generative AI for Oncology EHRs

Healthcare

The best database for app developers

B2B

AI models for 3D video creation and playback

Consumer

Marketplace for small business M&A

B2B

AI-driven online tech school for busy professionals

Education

We're Khatabook / OkCredit for Pakistan

Fintech

No-code platform for enterprise software companies

B2B

A virtual food hall that delivers

Consumer

Learn, Intern and become Industry-Ready

Education

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

B2B

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

Education

Discovering bispecific antibody drug-conjugates (BsADC) against cancer

Healthcare
Vapi

Voice AI for developers.

B2B

We treat women with Polycystic Ovary Syndrome in India

Healthcare

Where restaurants in Africa buy food supplies

B2B

Meet qualified leads in person by automating conference production

B2B

Better Business Insurance for MSMEs in India

Fintech

GitHub for lawyers

B2B

Making Restaurants more data-driven!

B2B
Wasp

Configuration language for building enterprise web apps 10x faster

B2B

The Engineering Intelligence Platform | DORA, SPACE, DX, CORE 4

B2B

The email API built for product teams

B2B

Open-source framework for building serverless applications

B2B

AI recruiter that runs outbound sourcing campaigns to find top talent

B2B

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

B2B

Manage your hybrid workplace

B2B

Life's better without allergies

Healthcare

YourQuote is India's largest writing platform

Consumer
Z1

Digital bank for teenagers in LatAm connected to prepaid card

Fintech

Software for remote monitoring of cancer patients

Healthcare

10-Minute Grocery Delivery in India

Consumer

A digital wallet for the Middle East & North Africa

Fintech

Platform for bus travel across Indian cities

Consumer
ZOKO

Better Business on WhatsApp

B2B