Y Combinator Winter 2013 (W13) Companies

Airware builds an integrated platform combining drones, software, and cloud services for enterprises to collect and analyze aerial data at scale across business operations.

1 investor

Appcubator provides a visual application builder that lets users construct web applications through a graphical interface without coding experience. It serves people who want to build functional web applications without learning programming or hiring developers.

1 investor

A data analytics platform that collects music performance metrics, social media signals, and industry information into a centralized dashboard for artists and music industry professionals.

1 investor

Bitnami provides hardened, production-ready container images and deployment packages for open-source software components. The platform offers platform-agnostic containers, Helm charts, and virtual machines for secure deployment across Kubernetes and container runtimes.

3 investors

BuildZoom matches homeowners with local licensed contractors for construction and remodeling projects, using a database of over 160 million building permits and millions of contractor licenses along with a dedicated project consultant. It operates as a U.S. marketplace connecting property owners with vetted contractors and providing data-driven insights to guide hiring decisions.

3 investors

4 investors

CircuitLab provides web-based electronic circuit design and simulation software for engineers, students, and hobbyists to design, analyze, build, and share circuits. The platform enables collaborative iteration and sharing of circuit designs through browser-based tools.

2 investors

OnlyCoin provides independent, unbiased educational guides to help beginners understand cryptocurrency without marketing bias or hype. The platform covers crypto concepts, risks, and practical information for anyone learning about digital assets from scratch.

1 investor

CrowdMed connects patients with a community of medical experts ("Medical Detectives") to help solve complex, undiagnosed medical cases through crowdsourced diagnostic suggestions. Patients submit their medical history and symptoms, receive a report with top diagnostic recommendations, and can present these insights to their physicians for testing.

2 investors

Etleap provides a pipeline platform built around Apache Iceberg that handles data ingestion, transformation, and operation for enterprise analytics. The platform serves data teams across enterprises by offering connectors to ingest from any source, transformation capabilities with dbt Core, and automated Iceberg table maintenance.

1 investor

Experiment is a platform for discovering, funding, and sharing scientific research. The platform aims to democratize science by enabling anyone to participate in and support scientific endeavors.

3 investors

Fivetran builds software that automatically moves and transforms data between cloud platforms and data warehouses, handling tasks like schema changes and data extraction so engineering teams can focus on analysis and insights.

6 investors

FlightCar operates a peer-to-peer car rental marketplace connecting arriving travelers with local vehicle owners at major airports. The platform allows residents to generate income by renting out their cars during trips while providing tourists and business travelers an alternative to traditional rental agencies.

1 investor

Goldbelly is an online marketplace that ships iconic foods, meals, desserts, regional specialties, and gourmet food gifts from restaurants and local shops to customers across the United States. It connects consumers nationwide with well-known and local food makers for delivery straight to their door.

5 investors

A platform that gives marketing and sales teams visibility into buyer behavior and intent signals, predicting when companies are in active buying cycles and what products they're considering.

1 investor

Heap provides analytics and data collection tools for growth marketers to optimize digital experiences, track user acquisition channels, measure engagement, and personalize messaging across the conversion funnel.

6 investors

InfluxData develops InfluxDB, a time series database designed to collect, store, analyze, and act on data that changes in real-time. The platform serves millions of developers and thousands of organizations building real-time systems, industrial AI applications, and observability platforms.

6 investors

Kalibrr is a job marketplace platform that connects job seekers with employers across the Philippines. The platform facilitates recruitment and employment opportunities across various sectors and experience levels.

4 investors

Lawdingo operates a marketplace connecting people seeking legal help with independent lawyers and solo practitioners who offer flexible availability and rates. The platform aims to simplify how clients find suitable counsel and helps solo lawyers grow their practices.

1 investor

Logiblock provides electronics engineering and development tools to accelerate hardware product creation for startups and larger companies. The company operates as a client services arm of Outbreak, Inc., which specializes in embedded software technology licensing.

1 investor

Lollipuff provides authentication services for secondhand and resale goods, verifying the authenticity of items for buyers and sellers on online marketplaces and consignment platforms. The company has been operating authentication services since 2010 and previously ran a peer-to-peer marketplace that guaranteed authenticity before closing in 2020.

1 investor

Medisas develops software to modernize hospital information systems and clinical workflows, enabling safer and more effective patient care by replacing outdated communication infrastructure with intuitive digital tools.

2 investors

MedXT provides cloud-based software for managing medical imaging data, including X-rays, CT scans, and MRIs, serving imaging centers, hospitals, and radiology practices with tools for secure access, data sharing, and integration with radiology information systems.

1 investor

Meldium provides a central platform for teams to manage user accounts and passwords across cloud applications, handling account creation, modification, and deletion without requiring IT involvement.

3 investors