Y Combinator companies

The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 companies.

CompanyClusterProgramStatusLast signal
Experiment

crowdfunding platform for science

Othercrowdfunding marketplace for scientific researchY CombinatorW13Activechecked 2026-08-23
Fivetran

The leader in automated data movement

Data for AIautomated data pipelines and ETLY CombinatorW13Activechecked 2026-08-23
FlightCar

FlightCar is the Airbnb of Car Rentals at Airports. We allow people…

Consumerpeer-to-peer vehicle marketplaceY CombinatorW13Inactivechecked 2026-08-17
Goldbelly

Empowering restaurants and small food makers to ship nationwide.

Commerce and marketplacesspecialty food marketplaceY CombinatorW13Activechecked 2026-08-23
GrepDataAI

Big Data Analytics

B2B SaaSB2B analytics and buyer intelligenceY CombinatorW13Acquiredchecked 2026-08-17
Heap

Captures user interactions with no code to generate analytics.

B2B SaaSno-code analytics platformY CombinatorW13Acquiredchecked 2026-08-23
InfluxData

The platform for building and operating time series applications.

Data for AItime series data platformY CombinatorW13Activechecked 2026-08-23
Kalibrr

Kalibrr connects SEAsian talent to your local & global jobs.

Commerce and marketplacesJob marketplace for Southeast Asian talentY CombinatorW13Acquiredchecked 2026-08-23
Lawdingo

Lawdingo provides virtual paralegal services to law firms.

B2B SaaSLegal services marketplaceY CombinatorW13Inactivechecked 2026-08-17
Logiblock

Logiblock engineers electronics and development tools to dramatically…

Developer toolsElectronics and embedded systems design toolsY CombinatorW13Inactivechecked 2026-08-17
Lollipuff

Online Auctions for Authentic (Women's) Designer Goods

Commerce and marketplacesauthenticated designer goods marketplaceY CombinatorW13Activechecked 2026-08-23
Medisas

Medisas builds workflow & collaboration software for hospitals.

B2B SaaSHospital workflow collaboration softwareY CombinatorW13Inactivechecked 2026-08-23
MedXT

Radiology in the cloud. X-rays, CAT scans, MRI's, and…

Healthcare and bioCloud radiology imaging platformY CombinatorW13Acquiredchecked 2026-08-17
Meldium

Simple password & identity management for teams. Acquired by LogMeIn…

Security and complianceIdentity and access management for teamsY CombinatorW13Acquiredchecked 2026-08-23
North

Wearable computing hardware: biosignal gesture recognition

Robotics and physical worldwearable biosignal hardware interfaceY CombinatorW13Acquiredchecked 2026-08-17
Padlet

Papyrus → Parchment → Paper → Padlet

B2B SaaScollaborative content creation platformY CombinatorW13Activechecked 2026-08-17
PayTango

Simple invoicing

Fintechinvoicing and billing softwareY CombinatorW13Inactive2026-08-23
Posmetrics

Ultra-short feedback surveys on tablets mounted in businesses. Higher…

B2B SaaSIn-store customer feedback analyticsY CombinatorW13Inactivechecked 2026-08-17
Prophecy Sciences

Predicting workplace performance through neuroscience

B2B SaaSNeuroscience-based talent assessment and hiringY CombinatorW13Inactivechecked 2026-08-17
RADAR

RADAR is building technology to completely transform the in-store…

Commerce and marketplacesRF sensing retail automationY CombinatorW13Activechecked 2026-08-23
RoverRide

A universal urban transit app. Given all transportation options…

ConsumerUrban transit routing appY CombinatorW13Inactivechecked 2026-08-17
Screenhero

Collaborative Screen Sharing — you each get your own mouse, and…

B2B SaaScollaborative screen sharing softwareY CombinatorW13Acquired2026-08-23
Scuba

Analytics for impatient people.

Data for AIEvent analytics for business insightsY CombinatorW13Acquired2026-08-23
Semantics3

Data and AI platform for Ecommerce & Cross-Border Logistics

Commerce and marketplacesecommerce data APIs and enrichmentY CombinatorW13Acquiredchecked 2026-08-17
SimplyInsured

We sell health insurance to small businesses 100% online.

FintechHealth insurance for SMBsY CombinatorW13Activechecked 2026-08-23
Strikingly

The easiest way to create a beautiful, mobile optimized website.

B2B SaaSWebsite builder and hostingY CombinatorW13Activechecked 2026-08-23
StyleUpAI

StyleUp brings effortless joy to getting dressed with daily,…

ConsumerAI fashion styling advisorY CombinatorW13Activechecked 2026-08-23
Swapbox

Stop missing deliveries. Ship to Swapbox and pick up at our kiosks.

Commerce and marketplacesLast-mile delivery and package pickupY CombinatorW13Inactivechecked 2026-08-17
Swish

Kickstarter for physical products. Shop exclusive product launches.

Commerce and marketplacescrowdfunding marketplace for physical productsY CombinatorW13Inactivechecked 2026-08-23
Teespring

IMPORTANT: The original YC founders are no longer involved with this…

Commerce and marketplacescreator marketplace for custom apparelY CombinatorW13Acquired2026-08-23
Trainzen

Educational assessments made easy. Eliminating paper-based exams in…

B2B SaaSOnline assessment and test managementY CombinatorW13Inactivechecked 2026-08-25
VaycayHero

VaycayHero is a marketplace of professionally managed vacation…

Commerce and marketplacesvacation rental marketplace platformY CombinatorW13Acquired2026-08-23
Watsi

Watsi is the first global crowdfunding platform for medical…

Healthcare and bioHealthcare crowdfunding platformY CombinatorW13Activechecked 2026-08-17
Wefunder

We're Robinhood for pre-IPO startups. Everyone can invest $100.

Fintechequity crowdfunding platformY CombinatorW13Activechecked 2026-08-17
Wevorce

Changing divorce for good by making it a way less horrible experience…

B2B SaaSdivorce mediation and settlement platformY CombinatorW13Activechecked 2026-08-17
Zenefits

HR for small businesses: onboarding, payroll and benefits.

B2B SaaSHR platform for SMBsY CombinatorW13Acquiredchecked 2026-08-17
9gag

Make the world happier.

Consumersocial entertainment and memesY CombinatorS12Activechecked 2026-08-23
Airshared

TBD

ConsumerHome sharing and rental platformY CombinatorS12Inactivechecked 2026-08-17
Arc

aerial videography

Robotics and physical worldaerial videography dronesY CombinatorS12Inactivechecked 2026-08-17
Assorted Bits

A mobile calendar for all the fun stuff you do with friends.

Consumersocial calendar appY CombinatorS12Inactivechecked 2026-08-17
BackerKit

The only end-to-end crowdfunding platform built for today’s creators

Commerce and marketplacescrowdfunding platform for creatorsY CombinatorS12Activechecked 2026-08-17
Benchling

Unlocking the power of biotech with modern software for modern science

Healthcare and bioBiotech R&D software platformY CombinatorS12Activechecked 2026-08-23
Boosted

Simple, fun, and fast electric vehicles.

Consumerelectric personal mobility devicesY CombinatorS12Acquiredchecked 2026-08-17
BrainTripping

BrainTripping

Consumerconsumer travel or experiencesY CombinatorS12Inactivechecked 2026-08-23
BufferBox

The future of package delivery. We are building a network of…

Commerce and marketplacesAutomated parcel delivery infrastructureY CombinatorS12Acquiredchecked 2026-08-17
Canopy Labs

Canopy Labs automates customer analytics for small and medium-sized…

B2B SaaSCustomer analytics and journey optimizationY CombinatorS12Inactivechecked 2026-08-25
Celery

Celery is a platform for pre-orders (www.trycelery.com). Accept…

Commerce and marketplacesPre-order and crowdfunding platformY CombinatorS12Inactivechecked 2026-08-17
ClassDojo

Communication app for K-8 teachers, kids, and families

ConsumerK-8 education communication platformY CombinatorS12Activechecked 2026-08-23
Clever

The platform that powers technology in the classroom.

B2B SaaSK-12 education SSO and account managementY CombinatorS12Acquiredchecked 2026-08-23
Coco Controller

We're building a tactile gaming controller for mobile phones.

Consumertactile gaming controller hardwareY CombinatorS12Inactivechecked 2026-08-25
Coinbase

Buy, sell, and manage cryptocurrencies.

Fintechcryptocurrency exchange and walletY CombinatorS12Public companychecked 2026-08-17
Collections

Finder for the Cloud

Consumercloud content discovery and managementY CombinatorS12Inactivechecked 2026-08-23
Credictive

Attribution metatags for online content.

Security and compliancecontent attribution and verificationY CombinatorS12Inactivechecked 2026-08-23
Crohnology (by Healthy Labs)

We turn Patients into Researchers.

Healthcare and bioPatient symptom tracking and researchY CombinatorS12Inactivechecked 2026-08-17
DataNitro

We speed up Excel.

Developer toolsExcel automation and Python integrationY CombinatorS12Inactivechecked 2026-08-17
Double Robotics

Telepresence robots

Robotics and physical worldtelepresence robots for remote workY CombinatorS12Activechecked 2026-08-23
Dreamforge

Simple 3d modeling software for 3d printers.

Consumer3D modeling for 3D printingY CombinatorS12Inactivechecked 2026-08-17
Easel

Easel is a visual design tool built for the web. Since the web is…

Developer toolsvisual design tool for webY CombinatorS12Acquiredchecked 2026-08-23
Eligible

Insurance Billing APIs for Healthcare Businesses

Healthcare and bioInsurance billing APIs for healthcareY CombinatorS12Activechecked 2026-08-23
Everyday.me

Everyday.me - Record your life. Store it forever.

Consumerautomatic life journaling platformY CombinatorS12Inactivechecked 2026-08-17
FileStack

Acquired by Xenon Ventures.We enable website developers to hook into…

Developer toolsFile management and content APIY CombinatorS12Inactivechecked 2026-08-23
Flightfox

A platform to plan, book and manage global and group travel.

B2B SaaSTravel management for groupsY CombinatorS12Activechecked 2026-08-23
Framebase

API for video.

Developer toolsvideo infrastructure APIY CombinatorS12Inactivechecked 2026-08-25
Fullstack Academy

Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…

Developer toolscoding bootcamp educationY CombinatorS12Acquiredchecked 2026-08-23
FundersClub

Online VC

Fintechventure capital platformY CombinatorS12Activechecked 2026-08-23
GetGoing

We are building a "transparent opaque" airfare and hotel booking site…

Commerce and marketplacesTravel booking and distributionY CombinatorS12Inactivechecked 2026-08-23
GoScale

Dynamical Scaling Virtual Machines as a Service

AI infra and computedynamic VM scaling and optimizationY CombinatorS12Inactivechecked 2026-08-23
Grid-Y CombinatorS12Inactive-
HealthSherpa

Private sector Healthcare.gov.

Healthcare and biohealth insurance marketplaceY CombinatorS12Activechecked 2026-08-23
Hipset

The best way for artists to release new music and videos.

Consumermusic and video distribution platformY CombinatorS12Inactivechecked 2026-08-25
Hiptype

Hiptype is a marketing and analytics platform for eBooks. We can…

Commerce and marketplaceseBook analytics and advertisingY CombinatorS12Inactivechecked 2026-08-17
Human DxAI

The Human Diagnosis Project.

Healthcare and bioAI-powered diagnostic intelligence platformY CombinatorS12Activechecked 2026-08-23
Imgfave

A fun image sharing community.

Consumerimage sharing community platformY CombinatorS12Inactive2026-08-23
Instacart

Marketplace for grocery delivery and pickup

Commerce and marketplacesgrocery delivery marketplaceY CombinatorS12Public companychecked 2026-08-23
Kamcord

KamCord

Consumermobile gaming social sharingY CombinatorS12Acquiredchecked 2026-08-23
Keychain Logistics

Software that connects the supply side of companies that ship product…

Commerce and marketplacesfreight marketplace logisticsY CombinatorS12Inactivechecked 2026-08-17
Kippt

Kippt is a social bookmarking service

B2B SaaScollaborative bookmarking and knowledge sharingY CombinatorS12Inactivechecked 2026-08-17
Knowmia

Pandora meets Yelp for K-12 educational videos. We match each…

ConsumerEducational video discovery platformY CombinatorS12Acquired2026-08-23
LeanMarket

Mobile advertising

Commerce and marketplacesadvertising optimization and placementY CombinatorS12Inactivechecked 2026-08-17
Lever

Talent Acquisition Suite that combines ATS + Talent CRM

B2B SaaSTalent Acquisition and Recruiting SoftwareY CombinatorS12Acquiredchecked 2026-08-23
Light Table/Eve

Eve is our way of bringing the power of computation to everyone, not…

Developer toolsInteractive IDE with live feedbackY CombinatorS12Inactivechecked 2026-08-17
Markupwand

Convert Design files to working websites automagically

Developer toolsDesign-to-code automationY CombinatorS12Inactive2026-08-23
Mattermark

Big Data Meets Startup Investing The best tool for tracking and…

B2B SaaSsales intelligence for investorsY CombinatorS12Acquiredchecked 2026-08-23
Mattermost

Secure Collaboration for Technical Teams

B2B SaaSSecure team collaboration platformY CombinatorS12Activechecked 2026-08-23
MicroEvalAI

Changing the way companies review employee performance with…

B2B SaaSAI-powered performance review softwareY CombinatorS12Inactivechecked 2026-08-17
Mth Sense

We're a mobile on-device profiling and ad-serving platform initially…

B2B SaaSPrivacy-first ad targeting platformY CombinatorS12Activechecked 2026-08-23
Natero

Data-driven customer success platform for B2B SaaS.

B2B SaaSCustomer success management platformY CombinatorS12Acquiredchecked 2026-08-17
NewsBlur

NewsBlur is a personalized news reader

Consumerpersonalized news aggregationY CombinatorS12Activechecked 2026-08-23
OctaveWealth

The 401(k) that helps you grow

Fintech401(k) retirement planningY CombinatorS12Activechecked 2026-08-23
OmniVirt

OmniVirt is the leading VR Advertising platform for brands and…

ConsumerVR advertising platformY CombinatorS12Acquiredchecked 2026-08-17
Parallel Universe

Helping developers scale their applications with ease.

Developer toolsconcurrency and multi-threading frameworkY CombinatorS12Inactivechecked 2026-08-23
Partnered

Partnered is a digital platform automating business development…

B2B SaaSB2B partnership marketplaceY CombinatorS12Inactive-
Pixate

Mobile application prototyping. Now part of Google.

Developer toolsMobile app prototyping platformY CombinatorS12Acquiredchecked 2026-08-23
PlivoAI

Voice AI Agents for customer engagement, including WhatsApp, SMS &…

Vertical AI agentsVoice AI agents for customer engagementY CombinatorS12Activechecked 2026-08-23
Profig

The phone system for businesses. Manage everything from your company…

B2B SaaSBusiness phone system with CRMY CombinatorS12Inactive2026-08-23
Rainforest

no-code end-to-end testing that integrates with any CI/CD pipeline

Developer toolsno-code end-to-end testing automationY CombinatorS12Activechecked 2026-08-23
ReelSurfer

Clip and share any video from any website.

Consumersocial video sharing platformY CombinatorS12Inactivechecked 2026-08-17
RegistryLove

Cross-store wedding registry.

Consumercross-store wedding registry platformY CombinatorS12Inactive2026-08-23
Scoutzie

Scoutzie is a curated community for the best mobile designers. If…

B2B SaaSDesigner talent marketplaceY CombinatorS12Inactivechecked 2026-08-23
SmartAsset

Marketplace connecting consumers to financial advisors

Fintechfinancial advisor marketplaceY CombinatorS12Activechecked 2026-08-23