74 Y Combinator companies

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Displaying 74 companies that have the tag "Y Combinator".

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2015, San Francisco

We help independent recruiters and agencies earn more in placement fees


2008, San Francisco

Book unique homes and experiences all over the world.


2012, San Francisco

Algolia's hosted search API helps product builders create lightning-fast, highly relevant search to connect their users with what matters


2017, Palo Alto

We are a small team of Stanford graduates and software engineers with extensive research experience in imaging, neuroscience, deep learning and artificial intelligence. We've previously built mission-critical products and infrastructure at companies like Apple, Google, Microsoft and Dropbox. We're on a mission to advance the state-of-the-art in Vision AI.


2015, San Francisco

Empower your team to reach the right contacts at the right time, with the perfect message intelligently crafted at speed and scale. Apollo’s predictive prospecting, sales engagement, and actionable analytics helps your team reach its full revenue potential.


2013, San Francisco

Best-in-class A/B testing and Release Management


2016, San Mateo

Continuous Deployment for the Enterprise


2012, San Francisco

BackerKit makes it easier to manage your crowdfunding campaign. From surveys to shipping, we’ve got you covered.


2015, San Francisco

Join the BlueCrew team to start accepting job offers straight from your phone. BlueCrew connects you directly to employers to find you jobs that fit your schedule


2017, San Francisco

Brex is rebuilding B2B financial products, starting with a corporate credit card for technology companies.

Career Karma

2018, San Francisco

We help people that want to become software engineers by matching them with the right coding bootcamp and supporting them throughout their careers


2014, San Francisco

Checkr’s mission is to build a fairer future by improving understanding of the past. Our platform makes it easy for thousands of customers to hire millions of people every year. Using Checkr’s advanced background check technology, companies of all sizes can better understand the dynamics of the changing workforce, bring transparency and fairness to their hiring, and ultimately build a better future for workers.

Circle Medical

2015, San Francisco

For wellness exams, illness, injury, chronic conditions, mental health, prescriptions, and more.


2012, San Francisco

Clever makes it easy to use technology in the classroom


2011, New York

Join the Millions Learning to Code with Codecademy


2012, San Francisco

Coinbase is the easiest and most trusted place to buy, sell, and manage your digital currency.


2013, San Francisco

Open source, containers, and Kubernetes (acquired by RedHat)

Cruise Automation

2013, San Francisco

Cruise Automation is a self-driving car company that develops an autopilot system for existing cars.


2010, San Francisco

Docker is the company driving the container movement and the only container platform provider to address every application across the hybrid cloud.


2019, San Francisco

Dover partners with you to find the best people for your team.


2007, San Francisco

Dropbox is a modern workspace designed to reduce busywork—so you can focus on the things that matter.


2012, San Francisco

EasyPost is the missing API that makes it quick and painless to integrate shipping into your application. Some of the biggest names in retail rely on EasyPost to ship faster, smarter and cheaper. We manage the headaches involved with dated carrier technology so our customers can focus on what makes their business great. Integrate once with EasyPost and seamlessly add carriers, generate shipping labels, track packages in near real-time and insure your shipments.


2017, San Francisco

Faire helps retailers discover and try thousands of unique items risk-free.


2011, San Francisco

Fivestars has the largest rewards program for local business.


2013, Oakland

Stream data into your warehouse for advanced analytics. Fivetran was built for analysts to access to all their business data. Sign up today for a free trial.


2013, San Francisco

Flexport moves freight globally by air, ocean, rail, and truck for the world's leading brands. We combine powerful software and dedicated experts to give you accountability, peace of mind, and control over your supply chain.


2013, San Francisco

Front is reinventing the inbox so people can accomplish more together. With new workflows, efficient collaboration, and all their communication channels in one place, more than 3,500 businesses rely on their Front inbox to be more productive as a team.


2017, San Francisco

Gem (formerly ZenSourcer) is an all-in-one recruiting platform that integrates with LinkedIn, Gmail, Outlook, and your ATS. We enable world-class recruiting teams to find, engage, and nurture top talent.


2011, San Francisco

From project planning and source code management to CI/CD and monitoring, GitLab is a single application for the entire DevOps lifecycle


2011, San Francisco

It’s time to tame the chaos of payroll, benefits, and HR.


2011, San Francisco

The Most Powerful Platform for Your Business Agreements

Klarity Law

2017, San Francisco

Klarity uses Artificial Intelligence to review sales contracts under your company legal policy. Klarity pulls contracts from your emails and databases and returns them reviewed in a Word format with annotations and redlines along with a summary. Your company experiences accelerated sales and higher compliance without having to think of contract review anymore.


2015, San Francisco

Align, engage, and grow your employees.


2012, Oakland

We believe everyone deserves access to quality credit


2013, San Francisco

Lob's software platform automates age-old offline business processes in a modern, intelligent, and technology-forward way.

Machine Zone

2008, Palo Alto

We're changing the way the world experiences games.


2011, San Francisco

Matterport allows professionals to capture 3D walkthroughs, photography, floor plans, and VR of real-world places from one shoot.


2014, San Francisco

Shop our collection of innovative in-house K-Beauty brands and find inspiration through our beauty community.


2011, San Francisco

MemSQL is an enterprise-scale database for real-time applications that benefit from transactions and analytics in a single platform


2011, San Francisco

Customer communication is overcomplicated. We help you solve it.


2012, San Mateo

Bridge the gap between the virtual and the real with the world's most immersive AR experience


2009, San Francisco

Acquire, engage, and retain with actionable user analytics.


2009, San Francisco

Replace digital guesswork with evidence-based optimization. 10X your testing and experimentation velocity with Optimizely.


2009, San Francisco

PagerDuty is a cloud computing company that produces a SaaS incident response platform for IT departments


2011, San Francisco

Simple, powerful construction software that GCs, subs, and owners love to use.


2014, San Francisco

The platform for designing your city’s transportation future


2011, San Francisco

Rescale offers a software platform and hardware infrastructure for companies to perform scientific and engineering simulation.


2017, San Francisco

Custom internal tools have the same building blocks. Retool gives you those building blocks, so you can build tools much faster.


2009, San Francisco

The World's Most Intelligent Mobility Platform

Rigetti Computing

2013, Berkeley

Quantum Cloud Services is here. Everyone is invited.


2011, San Francisco

Segment unblocks every team, from engineering to product to marketing.


2013, San Francisco

Craft Exceptional Email Experiences that Drive Growth

Sift Science

2011, San Francisco

Protect your business from fraud and fuel your growth through the power of digital trust.


2012, San Francisco

Snapdocs is a digital loan closing platform for lenders and title and escrow companies.


2016, San Francisco

Great photography shouldn't be so hard. With snappr it isn't.


2016, San Francisco

Sourceress is an AI recruiter that is reinventing how people find jobs.


2016, San Francisco

Comfortable community homes in the heart of the city.

Streak CRM

2011, San Francisco

Streak is the only CRM built entirely within your Gmail to help you get things done. Whether you want to close more deals, manage partnerships, or track support issues, Streak helps you focus on what matters most to your business - without ever leaving your inbox.


2011, San Francisco

Teespring is a platform for custom merchandise

Thalmic Labs

2012, San Francisco

At Thalmic Labs, we’re making revolutionary wearable technologies that will fundamentally change the way we interact with computers.

The Athletic

2016, San Francisco

Go beyond the box score with quality local and national sports coverage from an all-star team of writers. No ads, no clickbait — only stories with substance.


2015, San Francisco

TAKE OUR CODING QUIZ. Get offers from top tech companies


2011, San Francisco

Twitch is a live streaming video platform owned by Twitch Interactive, a subsidiary of Amazon


2012, San Francisco

uBiome is a biotechnology company based in San Francisco that has developed key technology to sequence the human microbiomes


2011, San Francisco

Building technology to finance healthcare for everyone


2006, San Francisco

Launch and grow your business. We'll help you each step of the way.


2008, Redwood City

WePay is an integrated payments provider for SaaS and crowdfunding platforms. Grow your revenue without friction or fraud.


2011, San Francisco

Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.


2013, San Francisco

Zenefits online HCM software gives your team a single place to manage all of your HR needs - payroll, benefits, compliance, and more.

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