πŸš€ Y CombinatorΓ—β˜€οΈ Summer 2016

YC S16: The Pivot to Hard Tech and Deep Infrastructure

102 startups in this batch

What Was YC SUMMER 2016?

In 2016, the "Uber for X" era was cooling, forcing founders to tackle high-barrier industries like defense, aerospace, and clinical healthcare. The macro environment was defined by a shift toward operational complexity, as YC began aggressively funding "hard tech" and startups that required more than just a clever UI to succeed.

What These 102 Startups Built and Proved

This cohort proved that mission-critical sectors were finally ready for Silicon Valley's disruption, moving beyond simple consumer apps into fintech installments and AI-driven diagnostics. They validated a massive willingness to pay for automated compliance, drone security, and specialized financial instruments that bridged the gap between traditional banking and the digital economy.

What Failed and What to Learn From It

Many S16 failures stemmed from the prohibitive cost of human-led operations and the technical debt of early-stage hardware. Startups in the alternative currency and mental health spaces often struggled because the manual data processing required to scale simply didn't provide the margins needed to survive. Today's builders must realize that PMF in 2016 often died because the cost of service delivery was too highβ€”a problem AI now solves.

The Relaunch Opportunity in 2026

The biggest opportunity lies in taking the high-friction health tech and fintech models of S16 and rebuilding them with Agentic AI. Where Athelas or Airo needed massive teams for data interpretation and coding, a solo builder can now deploy autonomous agents to handle clinical documentation and revenue cycle management, turning a low-margin service into a high-margin SaaS.

Abundance Labs incubates and builds alternative currency marketplace…

πŸ“ San FranciscoπŸ“… 2016

Buy flights for only a fraction upfront and pay off the rest in…

πŸ“ ChicagoπŸ“… 2016

Airo is an AI to passively track and manage your mental health.

πŸ“ San FranciscoπŸ“… 2016

ApolloShield is a system that detects unwanted drones and drives them…

πŸ“ Tel Aviv-YafoπŸ“… 2016

AthelasYC

active

Extensible, Integrated Technology that Simplifies Health Systems

πŸ“ Mountain ViewπŸ“… 2016

BirdYC

active

The world’s largest omnichannel communications platform

πŸ“ AmsterdamπŸ“… 2016

BulldozairYC

acquired

Construction management platform

πŸ“ ParisπŸ“… 2016

BurrowYC

acquired

A design brand creating innovative, award winning furniture.

πŸ“ New YorkπŸ“… 2016

CareRevYC

acquired

Seamlessly connecting healthcare facilities and professionals through…

πŸ“ RemoteπŸ“… 2016

CircaYC

active

Event marketing CRM

πŸ“ Santa FeπŸ“… 2016

Testing & treatment at home, in minutes, for chronic & acute disease

πŸ“ FremontπŸ“… 2016

CoinTentYC

shutdown

Recover revenue lost to ad blockers

πŸ“ San FranciscoπŸ“… 2016

CoubYC

shutdown

Coub is YouTube for video loops. You can take any video from YouTube,…

πŸ“ MoscowπŸ“… 2016

CrowdAIYC

acquired

CrowdAI is the world's leading no-code platform for vision AI

πŸ“ San FranciscoπŸ“… 2016

CurtsyYC

active

Curtsy is a sustainable clothing resale app.

πŸ“ San FranciscoπŸ“… 2016

DrivezyYC

shutdown

India's largest vehicle sharing platform, turning people's vehicles…

πŸ“ BengaluruπŸ“… 2016

Just-in-time training and communication for frontline healthcare teams

πŸ“ OaklandπŸ“… 2016

EmoteYC

active

Catch student behavior problems before they start.

πŸ“ OaklandπŸ“… 2016

ExpoYC

active

Expo brings together the best of web and native app development

πŸ“ Palo AltoπŸ“… 2016

FabricYC

acquired

Fabric is a personal location-based journal that catalogs experiences…

πŸ“ San FranciscoπŸ“… 2016

FarmsteadYC

shutdown

An AI-powered digital grocer that delivers in under 60 mins.

πŸ“ San MateoπŸ“… 2016

Helping businesses make and accept payments from anywhere in Africa.

πŸ“ LagosπŸ“… 2016

gartenYC

acquired

Creating workplace wellbeing.

πŸ“ BurlingameπŸ“… 2016

A concierge service for seniors’ rides, meals, meds, home and more.

πŸ“ San FranciscoπŸ“… 2016

Nanoparticle tracers for reservoir characterization during hydraulic…

πŸ“ San FranciscoπŸ“… 2016

HaywheelYC

shutdown

Haywheel is an artisan food marketplace for restaurants and specialty…

πŸ“ New YorkπŸ“… 2016

HellobillYC

shutdown

Hellobill aggregates all your business bills, automatically, every…

πŸ“ UnknownπŸ“… 2016

Customer support as a service.

πŸ“ San FranciscoπŸ“… 2016

HushYC

shutdown

Hush is the top social commerce app in the United States.

πŸ“ Los AngelesπŸ“… 2016

Innov8YC

acquired

We provide co-working offices to startups, freelancers and SMEs in…

πŸ“ New DelhiπŸ“… 2016

Instrumentl automates grant discovery and management for nonprofits.

πŸ“ San FranciscoπŸ“… 2016

Enabling autonomous drone operations globally through AI software

πŸ“ San FranciscoπŸ“… 2016

JoyYC

active

The platform for all your life events.

πŸ“ San FranciscoπŸ“… 2016

JumpcutYC

active

Helping creators go viral and build businesses.

πŸ“ Los AngelesπŸ“… 2016

Kenota is revolutionizing the way we test for disease

πŸ“ KitchenerπŸ“… 2016

Tech-enabled asset management firm

πŸ“ San FranciscoπŸ“… 2016

LendsnapYC

shutdown

The Digital Mortgage Company.

πŸ“ BerkeleyπŸ“… 2016

Livement makes selling tickets for events easy and safe for organizers

πŸ“ GuadalajaraπŸ“… 2016

LookliveYC

shutdown

Looklive is a community and marketplace for fashion. Users browse…

πŸ“ AtlantaπŸ“… 2016

MeeshoYC

active

Democratizing internet commerce for everyone in India

πŸ“ BengaluruπŸ“… 2016

MetapacketYC

shutdown

Metapacket is the first selective web gateway that stops malware by…

πŸ“ San FranciscoπŸ“… 2016

MindoriYC

shutdown

Mindori builds white-label voice search for e-commerce apps.

πŸ“ Palo AltoπŸ“… 2016

MisoYC

active

We make booking services as easy as buying products online.

πŸ“ SeoulπŸ“… 2016

Mosaix.aiYC

shutdown

Builds NLP platform for local languages in emerging markets, focusing on voice AI and virtual assistants.

πŸ“ Palo AltoπŸ“… 2016

Robotic production capacity for the pharma manufacturing industry

πŸ“ San FranciscoπŸ“… 2016

NeoWizeYC

acquired

NeoWize created a new type of machine learning algorithm and uses it…

πŸ“ Tel Aviv-YafoπŸ“… 2016

Cash transfers that save lives.

πŸ“ San FranciscoπŸ“… 2016

Bridging a world of consumer-permissioned credit data

πŸ“ San FranciscoπŸ“… 2016

Network for decentralized threshold cryptography and end-to-end…

πŸ“ AustinπŸ“… 2016

Content discovery platform for Africa

πŸ“ AccraπŸ“… 2016

The Smart Market for Institutional Investors

πŸ“ New YorkπŸ“… 2016

OpsolutelyYC

acquired

Automated deployments for software teams.

πŸ“ San FranciscoπŸ“… 2016

Get medical records onlineβ€”from any doctor or hospital.

πŸ“ San FranciscoπŸ“… 2016

Harnesses business activity to unlock growth.

πŸ“ San FranciscoπŸ“… 2016

PolymailYC

acquired

Email productivity platform for business.

πŸ“ Marina del ReyπŸ“… 2016

Prime Lightworks Inc. manufactures electric propulsion systems for…

πŸ“ Culver CityπŸ“… 2016

ProxyYC

acquired

Smart ring digital wallet

πŸ“ San FranciscoπŸ“… 2016

PursuitYC

acquired

Revlo helps broadcasters on Twitch engage and monetize their fan…

πŸ“ San FranciscoπŸ“… 2016

Quero is an online marketplace for college programs in Brazil. It…

πŸ“ SΓ£o JosΓ© dos CamposπŸ“… 2016

Raptor Maps builds software to manage the solar PV lifecycle.

πŸ“ SomervilleπŸ“… 2016

Ready Education is building the mobile OS for higher education. We…

πŸ“ MontrealπŸ“… 2016

ReebeezYC

shutdown

Reebeez creates powerful microengines for UAVs. With a 2hr + flight…

πŸ“ AustinπŸ“… 2016

RigPlenishYC

shutdown

On average each Ambulance run is two hours long, 40 minutes is spent…

πŸ“ CupertinoπŸ“… 2016

We are building a fleet of autonomous mobile robots that travel on…

πŸ“ Palo AltoπŸ“… 2016

RocketLit is an adaptive learning and assessment platform.

πŸ“ Santa MonicaπŸ“… 2016

Rose Rocket is ERP software for trucking companies.

πŸ“ TorontoπŸ“… 2016

RunKitYC

acquired

No description available

πŸ“ San FranciscoπŸ“… 2016

Sage CareYC

shutdown

Get care at home for mom or dad from trusted professionals in their…

πŸ“ TorontoπŸ“… 2016

SaleswhaleYC

acquired

Saleswhale is an automated sales assistant that follows up with your…

πŸ“ SingaporeπŸ“… 2016

Data-centric infrastructure to accelerate the development of AI

πŸ“ San FranciscoπŸ“… 2016

API for Invoice Financing

πŸ“ UnknownπŸ“… 2016

SeerslabYC

shutdown

We are providing AR technologies and contents to app developers

πŸ“ Palo AltoπŸ“… 2016

SelfycartYC

shutdown

Selfycart - let's grocery shoppers scan items and checkout on their…

πŸ“ San MateoπŸ“… 2016

Constituent system-of-record and service request management software…

πŸ“ Redwood CityπŸ“… 2016

Shield BioYC

shutdown

Bringing 3rd generation, nanopore sequencing to healthcare to solve…

πŸ“ San JoseπŸ“… 2016

From signup to citizenship, only SimpleCitizen guides applicants…

πŸ“ Salt Lake CityπŸ“… 2016

SixaYC

shutdown

Personal computer in the cloud

πŸ“ San FranciscoπŸ“… 2016

SkyLightsYC

shutdown

Premium immersive cinematic VR entertainment for captive audiences

πŸ“ San JoseπŸ“… 2016

Financial wellness for the middle class

πŸ“ AtlantaπŸ“… 2016

SmartSiteYC

shutdown

Smartsite is a hardware device to protect workers from health risks…

πŸ“ LondonπŸ“… 2016

Platform to grow your barbershop and maximize profitability.

πŸ“ New YorkπŸ“… 2016

StarcityYC

acquired

Starcity was one of the largest co-living brands. Exit to Common in…

πŸ“ San FranciscoπŸ“… 2016

Driverless Trucks, for real.

πŸ“ San FranciscoπŸ“… 2016

Book guaranteed connecting rooms and suites at hotels

πŸ“ OaklandπŸ“… 2016

Sway Finance automates accounting for SaaS companies using machine learning, payment integrations, and AI for cash management.

πŸ“ San FranciscoπŸ“… 2016

SympleYC

acquired

Last mile logistics for delivery & service teams. We bring real-time…

πŸ“ San FranciscoπŸ“… 2016

Synvivia applies chemical control over cell behavior

πŸ“ BerkeleyπŸ“… 2023

TechmateYC

acquired

A technology concierge for your home. We provide on-demand support…

πŸ“ New YorkπŸ“… 2016

Subscription sports media.

πŸ“ San FranciscoπŸ“… 2016

Sustainable period care.

πŸ“ Los AngelesπŸ“… 2016

UbiqYC

shutdown

Screen-sharing for enterprise conference rooms

πŸ“ BostonπŸ“… 2016

Upgraded helps retailers and carriers sell devices on subscription.

πŸ“ San FranciscoπŸ“… 2016

API that estimates utility costs for 100M+ homes.

πŸ“ OaklandπŸ“… 2016

A carbon MRV solution for energy and hard-to-abate sectors

πŸ“ TorontoπŸ“… 2016

VetcoveYC

active

Powering the animal health supply chain.

πŸ“ MiamiπŸ“… 2016

VidcodeYC

acquired

Coding for teens

πŸ“ San FranciscoπŸ“… 2016

No description available

πŸ“ San FranciscoπŸ“… 2023

WhydYC

shutdown

We make a beautiful, great sounding, voice-controlled speaker.

πŸ“ ParisπŸ“… 2016

WWCode is a non profit that empowering diverse women to excel in tech.

πŸ“ AtlantaπŸ“… 2016

WorkRampYC

acquired

The All-in-One Learning Platform

πŸ“ San FranciscoπŸ“… 2016

XbertsYC

shutdown

Xberts.com is a cross-border marketplace for Chinese hardware…

πŸ“ San FranciscoπŸ“… 2016

Making car ownership and management frictionless.

πŸ“ NashvilleπŸ“… 2016