Navigation Startups funded by Y Combinator (YC) 2026

Streamline Systems is building the replacement for GPS. Satellite positioning has become the single point of failure for almost every modern system, both military and civil. We've built the replacement. A drop-in module that integrates with existing Ardupilot, INAV and PX4 flight controllers, with demonstrated satellite-independent autonomous flight and GPS handoff. We're currently working with commercial and military end users to deploy the capability.

Weel is the next-generation all-in-one driver co-pilot that redefines your driving experience by turning your smartphone into a complete safety and navigation hub. Our free app offers a built-in dashcam with easy video sharing, a smart navigation system, and advanced AI features—such as augmented reality navigation and ADAS—that reduce your risk by up to 30%. Say goodbye to expensive dashcams and complex setups – with Weel, you get complete driving safety and guidance in one free smartphone app.

Illuminant Surgical is building a new way of seeing inside the human body. Our breakthrough platform, Skylight™, is the first real-time anatomical projection system, displaying images directly on the patient to give doctors an x-ray vision view for safer interventions.

SpotAngels is Waze for parking. It helps drivers find free parking, protect themselves from parking tickets and get garage deals.