Y Combinator's Information Technology Portfolio

Replit provides a cloud-based development platform that enables users to write, run, and deploy applications in browsers.

UpKeep is a platform developed for technicians and maintenance workers that provides them with a computerized maintenance management system.

Stilta offers AI software for patent practitioners to search prior art, draft filings, monitor competitors, and assess portfolio value.

Cinder | Responsible AI, Trust & Safety, and Data Labeling At Scale

Portal Space Systems develops spacecraft propulsion and mobility technologies for rapid space maneuverability.

Luminai automates workflows by taking any multi-click process and making it one click.

Opalite Health offers an AI speech-to-speech medical interpretation that generates real-time translated audio and documentation.

An intelligent AI presentation software with all the tools, best-practice content, learning assets, to supercharge business communication.

Sizeless develops platform to support machine learning teams with automatically running, testing, and optimizing their models.

10x Science offers an AI software that analyzes protein data to characterize molecular structures and support biopharmaceutical research.

Recursive self-improving superintelligence to automate knowledge discovery.

Expo is a full-stack React Native framework that accelerates the app development lifecycle with robust cloud services.

Turion Space develops spacecraft and software for space awareness, in-orbit operations, and satellite servicing systems.

Fort provides a wearable device and platform that helps users track strength training, monitor progress, and guide exercise form.

Robby offers AI software that supports HVAC technicians with job context, documentation, and syncing service data to office systems.