Airbnb
Startup or tech company
Marketplace for short-term stays and experiences that began by renting air mattresses.
San Francisco, United StatesY CombinatorPublic company
Algolia
Startup or tech company
Search-as-a-service API used by thousands of websites.
Paris, FranceY CombinatorUnicorn
Brex
Startup or tech company
Corporate cards and spend management for startups and enterprises.
San Francisco, United StatesY CombinatorUnicorn
Cashfree
Startup or tech company
Payments and payouts platform for Indian businesses.
Bengaluru, IndiaY Combinator
Codecademy
Startup or tech company
Interactive coding courses.
New York, United StatesY CombinatorAcquired
Coinbase
Startup or tech company
Largest US cryptocurrency exchange, listed on Nasdaq in 2021.
San Francisco, United StatesY CombinatorPublic company
Cruise
Startup or tech company
Self-driving car company acquired by General Motors.
San Francisco, United StatesY CombinatorAcquired
Deel
Startup or tech company
Global hiring, payroll and compliance for remote teams.
San Francisco, United StatesY CombinatorUnicorn
Docker
Startup or tech company
Container platform that changed how software is packaged and shipped.
San Francisco, United StatesY CombinatorDoorDash
Startup or tech company
Largest food delivery platform in the United States, started by Stanford students.
San Francisco, United StatesY CombinatorPublic company
Dropbox
Startup or tech company
Cloud file storage and sharing service, one of Y Combinator's early breakout companies.
San Francisco, United StatesY CombinatorPublic companyEric Migicovsky
Ecosystem figure
Founder of Pebble, the Kickstarter-funded smartwatch.
Palo Alto, United StatesKickstarterY Combinator
Faire
Startup or tech company
Wholesale marketplace connecting independent brands and retailers.
San Francisco, United StatesY CombinatorUnicorn
Flexport
Startup or tech company
Digital freight forwarder for global supply chains.
San Francisco, United StatesY CombinatorUnicorn
Fly.io
Startup or tech company
Cloud that runs apps close to users in many regions.
Chicago, United StatesY Combinator
Ginkgo Bioworks
Startup or tech company
Synthetic biology platform for engineering organisms.
Boston, United StatesY CombinatorPublic company
GitLab
Startup or tech company
Open-core DevOps platform built by a fully remote company.
San Francisco, United StatesY CombinatorPublic company
Groww
Startup or tech company
Investing app for stocks and mutual funds in India.
Bengaluru, IndiaY CombinatorUnicorn
Gusto
Startup or tech company
Payroll, benefits and HR software for small businesses.
San Francisco, United StatesY CombinatorUnicorn
Heroku
Startup or tech company
Developer-friendly cloud platform acquired by Salesforce in 2010.
San Francisco, United StatesY CombinatorAcquired
Instacart
Startup or tech company
Online grocery delivery and pickup from local stores.
San Francisco, United StatesY CombinatorPublic companyLockitron
Startup or tech company
Smart lock project that crowdfunded on its own site after Kickstarter declined it.
San Francisco, United StatesKickstarterY Combinator
Meesho
Startup or tech company
Social commerce marketplace for small sellers in India.
Bengaluru, IndiaY CombinatorUnicorn
Mixpanel
Startup or tech company
Product analytics for web and mobile apps.
San Francisco, United StatesY Combinator
OpenSea
Startup or tech company
Marketplace for NFTs that grew rapidly during the 2021 boom.
New York, United StatesY CombinatorUnicorn
PagerDuty
Startup or tech company
Incident response platform for engineering teams.
San Francisco, United StatesY CombinatorPublic companyPaystack
Startup or tech company
Nigerian payments company acquired by Stripe in 2020.
Lagos, NigeriaY CombinatorAcquiredPebble
Startup or tech company
Smartwatch maker whose campaigns set Kickstarter records; its assets were sold to Fitbit.
Palo Alto, United StatesKickstarterAcquired
Product Hunt
Community or network
Daily launch site for new tech products.
San Francisco, United StatesY CombinatorAcquired
Rappi
Startup or tech company
Latin American super-app for delivery and services.
Bogotá, ColombiaY CombinatorUnicorn
Razorpay
Startup or tech company
Payments and banking platform for Indian businesses.
Bengaluru, IndiaY CombinatorUnicorn
Reddit
Startup or tech company
Network of online communities organised by interest, from Y Combinator's first batch.
San Francisco, United StatesY CombinatorPublic companyReplit
Startup or tech company
Browser-based coding platform with an AI agent.
San Francisco, United StatesY CombinatorUnicorn
Retool
Startup or tech company
Platform for building internal tools quickly.
San Francisco, United StatesY CombinatorUnicorn
Scale AI
Startup or tech company
Data labelling and evaluation infrastructure for AI models.
San Francisco, United StatesY CombinatorUnicorn
Segment
Startup or tech company
Customer data platform acquired by Twilio.
San Francisco, United StatesY CombinatorAcquired
Stripe
Startup or tech company
Payments infrastructure for the internet, used by millions of businesses.
San Francisco, United StatesY CombinatorUnicorn
Substack
Startup or tech company
Paid newsletter platform for writers.
San Francisco, United StatesY Combinator
Supabase
Startup or tech company
Open-source backend platform built on Postgres.
San Francisco, United StatesY CombinatorUnicorn
Twitch
Startup or tech company
Live-streaming platform for gamers, spun out of Justin.tv and bought by Amazon.
San Francisco, United StatesY CombinatorAcquired
Webflow
Startup or tech company
Visual website builder for designers.
San Francisco, United StatesY CombinatorUnicorn
Weebly
Startup or tech company
Website builder acquired by Square.
San Francisco, United StatesY CombinatorAcquired
Wefunder
Crowdfunding platform
Equity crowdfunding platform for investing in startups.
San Francisco, United StatesY Combinator
Xendit
Startup or tech company
Payments infrastructure for Southeast Asia.
Jakarta, IndonesiaY CombinatorUnicorn
Zapier
Startup or tech company
No-code automation tool that connects thousands of apps.
Remote, United StatesY Combinator
Zepto
Startup or tech company
Ten-minute grocery delivery app founded by two teenagers.
Mumbai, IndiaY CombinatorUnicorn