YC 73 startups

YC Summer 2015

Every company from Y Combinator's Summer 2015 batch.

Last updated

2026-09-02

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Bitmovin

Powers OTT online video providers with video developer tools.

A flexible work app that connects businesses with hourly workers.

An online guide that tells talented graduates how to maximise the…

Appcanary tracks the dependencies you use in your apps and servers…

Advanced manufacturing and distribution solutions (for China-based…

LogisticsManufacturingChina

Autonomous shuttles for campus-like environments.

Blitz breaks down the complex world of esports and offers new…

Bluecrew is a web based staffing agency.

Predicting and preventing heart disease.

Medical DevicesHealthcareTelemedicine

Branch8 helps sellers to list and manage products on e-commerce…

MarketplaceE-commerce

Modern primary care via video and in-person

Consumer Health ServicesPrimary Care

Power your website with Google Spreadsheets.Acquired by Instabase…

Cofactor closes the precision medicine gap with predictive diagnostics

Medical DevicesBiotechDiagnostics

Laboratory Information Management System (LIMS) serving…

Open-source tools for deploying, managing, and monitoring cloud…

Shifting the asymmetry of cyber security.

Digital trade finance and B2B commerce company

Workplace software for people-centric companies.

SaaSHuman ResourcesB2B

The sleep fitness company.

Flirtey is the world’s first commercial drone delivery service and…

Icons and social logos for your website.

Developer ToolsSaaSDesign Tools

High volume hiring made simple

Making enterprise security practices available for all companies.

Gemnote is the easiest way to design, create and send custom products.

E-commerceCustomization

Build and manage distributed teams

The fundraising platform for schools.

A learning platform that enables you to train your staff or customers.

HER helps lesbian, bisexual and queer people meet each other

Social Infrastructure for Games; Makers of Nakama game server, Satori…

Cloud GamingDeveloper ToolsGaming

The 401(k) for small and medium-sized businesses.

FintechSaaSHuman Resources

Job simulations and assessments. See candidates in action doing the…

AI-powered contract management

Career advancement for Black, Latinx & Native American professionals.

L. makes award-winning personal care products with organic materials.

BeautyHealth & Wellness

Become the leader your company needs.

Move anything, anytime, anywhere

Markhor is a DTC company that works with craftsmen to make shoes and…

Digital HealthHealthcare

A platform for STEM courses featuring automated grading, plagiarism…

Nebia is a breakthrough shower system, based on a premium experience,…

HardwareSustainabilityClimate

We pioneer solutions to end the global housing crisis by empowering…

FintechNonprofitHousing

Oolu is one of the fastest growing off-grid solar firms in West Africa

Values based personalization at scale for asset and wealth management

FinOpsFintechPayments

PartnerStack is a full stack solution for partnerships.

Workforce Management for Large Farms

Automated Accounts Payable

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2 of 4 similar companies are hiring right now · most common: Engineering

Mux

Video infrastructure for developers

Developer ToolsVideoAPI

Build in a weekend. Scale to millions.

Developer ToolsOpen SourceBig Data

AI-native recruiting agency

RecruitingHR TechTalent Acquisition

Video Encoding API, Open source video player (video.js)

YC S15 startupsAll cohort members Startups in San Francisco2567 indexed Dev Tools startupsFull category listing "SaaS" startups1005 indexed

YC Summer 2015

Five standout startups, five open roles, every Monday

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