
Building intelligent tools for the sea
Nautical Software, Refined
Pelagis LLC develops software for sailors, navigators, and anyone drawn to the water. We combine numerical simulation, real-time environmental data, and clean mobile design to create tools that help people understand and work with the forces of wind and sea.
Products
Leeway
iOS & AndroidNavigate with confidence
A nautical navigation app with real-time charts, weather forecasting, intelligent routing, and GPS tracking. Built for sailors who want clear, useful tools in a clean mobile interface.
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Understand your boat before you sail it
A sail and boat dynamics engine that models how your rig responds to real wind conditions. It computes sail shape, boat speed, heel, and balance—powering smarter routing in Leeway and standalone performance insight.
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