Posterous · YC S08Substack · 2017
Parse · YC S11Supabase · YC S20
Loopt · YC S05Snap Maps · 2017
Webvan · 1999Instacart · YC S12
Startups die.
Ideas don't.
Every failed startup is a lesson for founders.
Deeply researched retros and rebuild playbooks.
Covering 1,736+ YC startups from 2005 to today
Featured Companies
W07
Acquired
Heysan
Community
Free messaging on mobile phones
S08
Acquired
Posterous
Email
Dead simple blogs by email
S09
Acquired
Bump
Bump, Flock, Photoroll (unreleased) => Google Photos
W10
Acquired
Creative Market
Marketplace
Marketplace for graphic design assets
W10
Acquired
Optimizely
Marketing
The first all-in-one operating system for marketing
S10
Acquired
FutureAdvisor
Fintech
The online financial management service for everyone.
S12
Acquired
Clever
Education
The platform that powers technology in the classroom.
S15
Acquired
Triplebyte
SaaS
Intelligent technical hiring.
S17
Acquired
Escher Reality
Developer Tools
The backend for Augmented Reality.
W18
Inactive
Reverie Labs
AI-powered Drug Discovery
Engineering next-generation, brain-penetrant cancer therapies.
S05
Acquired
Loopt
Loopt, based in Silicon-Valley and backed by leading venture capital firms Sequoia Capital and New Enterprise Associates, has created an interoperable social-mapping service that allows individuals to use their location to discover the real world around them – enabling them to find and enjoy the people, places, and events that mean the most right here and now using their mobile phones. With Loopt, individuals will always know who’s around, what to do, or where to go
W12
Inactive
LendUp
Fintech
LendUp is a socially responsible company on a mission to redefine…
W12
Inactive
The Muse
Marketplace
The Muse is values-based job search & hiring for 7M+ monthly
S15
Acquired
Gigster
Build and manage distributed teams
W12
Inactive
Make School
Education
Make School is redesigning college for the 21st century. Students…
W12
Inactive
Pixelapse
Design
Github for designers. We automatically keep track of revisions of…
S15
Inactive
Call9
Call9 delivers true Emergency Medicine and Palliative Care at patients' bedsides. Currently in Skilled Nursing Facilities, Call9 decreases the time patients wait to see an EM Physician from an average of 64 minutes to moments in emergency situations. In tandem with 24/7 onsite Clinical Care Specialists*, offsite Emergency Medicine Physicians see, diagnose and treat patients at the bedside via the Call9 proprietary platform. Our focus goes beyond the medicine to assure premium patient-centered care by including patients, caregivers, and families in communications from the start. Today, our proprietary technology-enabled services reduce cost and increase quality-of-care within elder-care facilities. Tomorrow, we redefine emergency medicine. *Clinical Care Specialists(TM) are elite emergency responders. Excellent bedside manner and rigorous continuing emergency training make Call9, PC's CCSs a unique specialty.
S16
Acquired
CrowdAI
Machine Learning
CrowdAI is the world's leading no-code platform for vision AI
W17
Acquired
Breaker
Social Media
A podcast company.
S16
Acquired
SimpleCitizen
Civic Tech
From signup to citizenship, only SimpleCitizen guides applicants…
W19
Acquired
Allure Systems
Generative AI
A.I. to create stunning fashion images for eCommerce.
S19
Acquired
Compound
Fintech
Compound is a wealth manager for people who work at tech companies.
S22
Inactive
Lotus
Fintech
Open-Core Pricing and Billing Engine
S23
Inactive
CodeStory
Developer Tools
Aide is an AI-native , privacy-first IDE built on top of VSCode
S17
Acquired
Plasticity
Artificial Intelligence
Natural language processing APIs for developers.
W23
Inactive
Neptyne
Generative AI
The programmable spreadsheet.
W10
Acquired
Cardpool
Cardpool is a gift card exchange marketplace where anybody can buy, sell, or trade their new or pre-owned gift cards. Customers can buy gift cards up to 30% off their face value, sell their gift cards for up to 90% of their face value in cash, trade their gift cards for an Amazon.com Gift Card, or donate their gift card to charity. Cardpool provides free shipping for both buyers and sellers, a 100-day return policy, and policy of only selling gift cards that have no expiration date and no monthly fees.
W11
Inactive
Tutorspree
Education
Online tutoring marketplace.
S11
Acquired
Cryptoseal
Cloud Workload Protection
Server key management, VPN as a Service, Privacy VPN. Sold to…
S14
Acquired
Ravti
SaaS
Software to track, manage, and procure HVAC for commercial real…
W15
Acquired
Raven Tech
Our vision is to build the next generation of iOS or Android, to…
W15
Acquired
Tech in Asia
Media
Tech in Asia (YC W15) is the largest English-language technology…
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